Cover more test/widgets tests with leak tracking #4 (#134663)

packages/flutter/test/widgets/implicit_animations_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class MockOnEndFunction {
   int called = 0;
@@ -24,7 +25,7 @@ void main() {
     mockOnEndFunction = MockOnEndFunction();
   });
 
-  testWidgets('BoxConstraintsTween control test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('BoxConstraintsTween control test', (WidgetTester tester) async {
     final BoxConstraintsTween tween = BoxConstraintsTween(
       begin: BoxConstraints.tight(const Size(20.0, 50.0)),
       end: BoxConstraints.tight(const Size(10.0, 30.0)),
@@ -36,7 +37,7 @@ void main() {
     expect(result.maxHeight, 45.0);
   });
 
-  testWidgets('DecorationTween control test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('DecorationTween control test', (WidgetTester tester) async {
     final DecorationTween tween = DecorationTween(
       begin: const BoxDecoration(color: Color(0xFF00FF00)),
       end: const BoxDecoration(color: Color(0xFFFFFF00)),
@@ -45,7 +46,7 @@ void main() {
     expect(result.color, const Color(0xFF3FFF00));
   });
 
-  testWidgets('EdgeInsetsTween control test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('EdgeInsetsTween control test', (WidgetTester tester) async {
     final EdgeInsetsTween tween = EdgeInsetsTween(
       begin: const EdgeInsets.symmetric(vertical: 50.0),
       end: const EdgeInsets.only(top: 10.0, bottom: 30.0),
@@ -57,7 +58,7 @@ void main() {
     expect(result.bottom, 45.0);
   });
 
-  testWidgets('Matrix4Tween control test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Matrix4Tween control test', (WidgetTester tester) async {
     final Matrix4Tween tween = Matrix4Tween(
       begin: Matrix4.translationValues(10.0, 20.0, 30.0),
       end: Matrix4.translationValues(14.0, 24.0, 34.0),
@@ -66,7 +67,7 @@ void main() {
     expect(result, equals(Matrix4.translationValues(11.0, 21.0, 31.0)));
   });
 
-  testWidgets('AnimatedContainer onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedContainer onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -89,7 +90,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedPadding onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedPadding onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -112,7 +113,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedAlign onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedAlign onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -135,7 +136,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedPositioned onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedPositioned onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -158,7 +159,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedPositionedDirectional onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedPositionedDirectional onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -181,7 +182,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-   testWidgets('AnimatedSlide onEnd callback test', (WidgetTester tester) async {
+   testWidgetsWithLeakTracking('AnimatedSlide onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -203,7 +204,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedSlide transition test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedSlide transition test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         switchKey: switchKey,
@@ -241,7 +242,7 @@ void main() {
     expect(state.builds, equals(2));
   });
 
-  testWidgets('AnimatedScale onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedScale onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -263,7 +264,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedScale transition test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedScale transition test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         switchKey: switchKey,
@@ -301,7 +302,7 @@ void main() {
     expect(state.builds, equals(2));
   });
 
-  testWidgets('AnimatedRotation onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedRotation onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -323,7 +324,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedRotation transition test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedRotation transition test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         switchKey: switchKey,
@@ -361,7 +362,7 @@ void main() {
     expect(state.builds, equals(2));
   });
 
-  testWidgets('AnimatedOpacity onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedOpacity onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -383,7 +384,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedOpacity transition test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedOpacity transition test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         switchKey: switchKey,
@@ -421,7 +422,7 @@ void main() {
     expect(state.builds, equals(2));
   });
 
-  testWidgets('AnimatedFractionallySizedBox onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedFractionallySizedBox onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -443,7 +444,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('SliverAnimatedOpacity onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SliverAnimatedOpacity onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(TestAnimatedWidget(
       callback: mockOnEndFunction.handler,
       switchKey: switchKey,
@@ -464,7 +465,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('SliverAnimatedOpacity transition test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SliverAnimatedOpacity transition test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         switchKey: switchKey,
@@ -502,7 +503,7 @@ void main() {
     expect(state.builds, equals(2));
   });
 
-  testWidgets('AnimatedDefaultTextStyle onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedDefaultTextStyle onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -525,7 +526,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedPhysicalModel onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedPhysicalModel onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -548,7 +549,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('TweenAnimationBuilder onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('TweenAnimationBuilder onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -571,7 +572,7 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('AnimatedTheme onEnd callback test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('AnimatedTheme onEnd callback test', (WidgetTester tester) async {
     await tester.pumpWidget(wrap(
       child: TestAnimatedWidget(
         callback: mockOnEndFunction.handler,
@@ -594,11 +595,12 @@ void main() {
     await tapTest2and3(tester, widgetFinder, mockOnEndFunction);
   });
 
-  testWidgets('Ensure CurvedAnimations are disposed on widget change',
+  testWidgetsWithLeakTracking('Ensure CurvedAnimations are disposed on widget change',
       (WidgetTester tester) async {
     final GlobalKey<ImplicitlyAnimatedWidgetState<AnimatedOpacity>> key =
         GlobalKey<ImplicitlyAnimatedWidgetState<AnimatedOpacity>>();
     final ValueNotifier<Curve> curve = ValueNotifier<Curve>(const Interval(0.0, 0.5));
+    addTearDown(curve.dispose);
     await tester.pumpWidget(wrap(
       child: ValueListenableBuilder<Curve>(
         valueListenable: curve,

packages/flutter/test/widgets/implicit_semantics_test.dart

@@ -5,11 +5,12 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import 'semantics_tester.dart';
 
 void main() {
-  testWidgets('Implicit Semantics merge behavior', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Implicit Semantics merge behavior', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
 
     await tester.pumpWidget(
@@ -172,7 +173,7 @@ void main() {
     semantics.dispose();
   });
 
-  testWidgets('Do not merge with conflicts', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Do not merge with conflicts', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
 
     await tester.pumpWidget(

packages/flutter/test/widgets/inherited_dependencies_test.dart

@@ -5,9 +5,10 @@
 import 'package:flutter/src/widgets/basic.dart';
 import 'package:flutter/src/widgets/framework.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('InheritedWidget dependencies show up in diagnostic properties', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('InheritedWidget dependencies show up in diagnostic properties', (WidgetTester tester) async {
     final GlobalKey key = GlobalKey();
     await tester.pumpWidget(Directionality(
       key: key,

packages/flutter/test/widgets/inherited_model_test.dart

@@ -5,6 +5,7 @@
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 // A simple "flat" InheritedModel: the data model is just 3 integer
 // valued fields: a, b, c.
@@ -73,7 +74,7 @@ class _ShowABCFieldState extends State<ShowABCField> {
 }
 
 void main() {
-  testWidgets('InheritedModel basics', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('InheritedModel basics', (WidgetTester tester) async {
     int a = 0;
     int b = 1;
     int c = 2;
@@ -189,7 +190,7 @@ void main() {
     expect(find.text('a: 2 b: 2 c: 3'), findsOneWidget);
   });
 
-  testWidgets('Looking up an non existent InheritedModel ancestor returns null', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Looking up an non existent InheritedModel ancestor returns null', (WidgetTester tester) async {
     ABCModel? inheritedModel;
 
     await tester.pumpWidget(
@@ -205,7 +206,7 @@ void main() {
     expect(inheritedModel, null);
   });
 
-  testWidgets('Inner InheritedModel shadows the outer one', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Inner InheritedModel shadows the outer one', (WidgetTester tester) async {
     int a = 0;
     int b = 1;
     int c = 2;
@@ -323,7 +324,7 @@ void main() {
     expect(find.text('a: 102 b: 102 c: null'), findsOneWidget);
   });
 
-  testWidgets('InheritedModel inner models supported aspect change', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('InheritedModel inner models supported aspect change', (WidgetTester tester) async {
     int a = 0;
     int b = 1;
     int c = 2;

packages/flutter/test/widgets/inherited_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import 'test_widgets.dart';
 
@@ -55,7 +56,7 @@ class ChangeNotifierInherited extends InheritedNotifier<ChangeNotifier> {
 }
 
 void main() {
-  testWidgets('Inherited notifies dependents', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Inherited notifies dependents', (WidgetTester tester) async {
     final List<TestInherited> log = <TestInherited>[];
 
     final Builder builder = Builder(
@@ -81,7 +82,7 @@ void main() {
     expect(log, equals(<TestInherited>[first, third]));
   });
 
-  testWidgets('Update inherited when reparenting state', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Update inherited when reparenting state', (WidgetTester tester) async {
     final GlobalKey globalKey = GlobalKey();
     final List<TestInherited> log = <TestInherited>[];
 
@@ -111,7 +112,7 @@ void main() {
     expect(log, equals(<TestInherited>[first, second]));
   });
 
-  testWidgets('Update inherited when removing node', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Update inherited when removing node', (WidgetTester tester) async {
     final List<String> log = <String>[];
 
     await tester.pumpWidget(
@@ -166,7 +167,7 @@ void main() {
     log.clear();
   });
 
-  testWidgets('Update inherited when removing node and child has global key', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Update inherited when removing node and child has global key', (WidgetTester tester) async {
 
     final List<String> log = <String>[];
 
@@ -230,7 +231,7 @@ void main() {
     log.clear();
   });
 
-  testWidgets('Update inherited when removing node and child has global key with constant child', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Update inherited when removing node and child has global key with constant child', (WidgetTester tester) async {
     final List<int> log = <int>[];
 
     final Key key = GlobalKey();
@@ -289,7 +290,7 @@ void main() {
     log.clear();
   });
 
-  testWidgets('Update inherited when removing node and child has global key with constant child, minimised', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Update inherited when removing node and child has global key with constant child, minimised', (WidgetTester tester) async {
 
     final List<int> log = <int>[];
 
@@ -336,7 +337,7 @@ void main() {
     log.clear();
   });
 
-  testWidgets('Inherited widget notifies descendants when descendant previously failed to find a match', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Inherited widget notifies descendants when descendant previously failed to find a match', (WidgetTester tester) async {
     int? inheritedValue = -1;
 
     final Widget inner = Container(
@@ -365,7 +366,7 @@ void main() {
     expect(inheritedValue, equals(3));
   });
 
-  testWidgets("Inherited widget doesn't notify descendants when descendant did not previously fail to find a match and had no dependencies", (WidgetTester tester) async {
+  testWidgetsWithLeakTracking("Inherited widget doesn't notify descendants when descendant did not previously fail to find a match and had no dependencies", (WidgetTester tester) async {
     int buildCount = 0;
 
     final Widget inner = Container(
@@ -392,7 +393,7 @@ void main() {
     expect(buildCount, equals(1));
   });
 
-  testWidgets('Inherited widget does notify descendants when descendant did not previously fail to find a match but did have other dependencies', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Inherited widget does notify descendants when descendant did not previously fail to find a match but did have other dependencies', (WidgetTester tester) async {
     int buildCount = 0;
 
     final Widget inner = Container(
@@ -423,10 +424,11 @@ void main() {
     expect(buildCount, equals(2));
   });
 
-  testWidgets("BuildContext.getInheritedWidgetOfExactType doesn't create a dependency", (WidgetTester tester) async {
+  testWidgetsWithLeakTracking("BuildContext.getInheritedWidgetOfExactType doesn't create a dependency", (WidgetTester tester) async {
     int buildCount = 0;
     final GlobalKey<void> inheritedKey = GlobalKey();
     final ChangeNotifier notifier = ChangeNotifier();
+    addTearDown(notifier.dispose);
 
     final Widget builder = Builder(
       builder: (BuildContext context) {
@@ -449,7 +451,7 @@ void main() {
     expect(buildCount, equals(1));
   });
 
-  testWidgets('initState() dependency on Inherited asserts', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('initState() dependency on Inherited asserts', (WidgetTester tester) async {
     // This is a regression test for https://github.com/flutter/flutter/issues/5491
     bool exceptionCaught = false;
 
@@ -461,9 +463,10 @@ void main() {
     expect(exceptionCaught, isTrue);
   });
 
-  testWidgets('InheritedNotifier', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('InheritedNotifier', (WidgetTester tester) async {
     int buildCount = 0;
     final ChangeNotifier notifier = ChangeNotifier();
+    addTearDown(notifier.dispose);
 
     final Widget builder = Builder(
       builder: (BuildContext context) {

packages/flutter/test/widgets/inherited_theme_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class TestRoute extends PageRouteBuilder<void> {
   TestRoute(Widget child) : super(
@@ -26,7 +27,7 @@ class IconTextBox extends StatelessWidget {
 }
 
 void main() {
-  testWidgets('InheritedTheme.captureAll()', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('InheritedTheme.captureAll()', (WidgetTester tester) async {
     const double fontSize = 32;
     const double iconSize = 48;
     const Color textColor = Color(0xFF00FF00);
@@ -146,7 +147,7 @@ void main() {
     expect(getIconStyle().fontSize, iconSize);
   });
 
-  testWidgets('InheritedTheme.captureAll() multiple IconTheme ancestors', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('InheritedTheme.captureAll() multiple IconTheme ancestors', (WidgetTester tester) async {
     // This is a regression test for https://github.com/flutter/flutter/issues/39087
 
     const Color outerColor = Color(0xFF0000FF);
@@ -206,7 +207,7 @@ void main() {
     expect(getIconStyle(icon2).fontSize, iconSize);
   });
 
-  testWidgets('InheritedTheme.captureAll() multiple DefaultTextStyle ancestors', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('InheritedTheme.captureAll() multiple DefaultTextStyle ancestors', (WidgetTester tester) async {
     // This is a regression test for https://github.com/flutter/flutter/issues/39087
 
     const Color textColor = Color(0xFF00FF00);

packages/flutter/test/widgets/init_state_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 List<String> ancestors = <String>[];
 
@@ -28,7 +29,7 @@ class TestWidgetState extends State<TestWidget> {
 }
 
 void main() {
-  testWidgets('initState() is called when we are in the tree', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('initState() is called when we are in the tree', (WidgetTester tester) async {
     await tester.pumpWidget(const Parent(child: TestWidget()));
     expect(ancestors, containsAllInOrder(<String>['Parent', 'View', 'RootWidget']));
   });

packages/flutter/test/widgets/interactive_viewer_test.dart

@@ -8,14 +8,24 @@ import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 import 'package:vector_math/vector_math_64.dart' show Matrix4, Quad, Vector3;
 
 import 'gesture_utils.dart';
 
 void main() {
   group('InteractiveViewer', () {
-    testWidgets('child fits in viewport', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+     late TransformationController transformationController;
+
+    setUp(() {
+      transformationController = TransformationController();
+    });
+
+    tearDown(() {
+      transformationController.dispose();
+    });
+
+    testWidgetsWithLeakTracking('child fits in viewport', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -65,8 +75,7 @@ void main() {
       expect(transformationController.value, isNot(equals(Matrix4.identity())));
     });
 
-    testWidgets('boundary slightly bigger than child', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('boundary slightly bigger than child', (WidgetTester tester) async {
       const double boundaryMargin = 10.0;
       await tester.pumpWidget(
         MaterialApp(
@@ -121,8 +130,7 @@ void main() {
       expect(transformationController.value.getMaxScaleOnAxis(), 200.0 / 220.0);
     });
 
-    testWidgets('child bigger than viewport', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('child bigger than viewport', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -197,8 +205,7 @@ void main() {
       expect(transformationController.value, isNot(equals(Matrix4.identity())));
     });
 
-    testWidgets('child has no dimensions', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('child has no dimensions', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -232,8 +239,7 @@ void main() {
       expect(tester.takeException(), isAssertionError);
     });
 
-    testWidgets('no boundary', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('no boundary', (WidgetTester tester) async {
       const double minScale = 0.8;
       await tester.pumpWidget(
         MaterialApp(
@@ -288,8 +294,7 @@ void main() {
       expect(transformationController.value.getMaxScaleOnAxis(), minScale);
     });
 
-    testWidgets('PanAxis.free allows panning in all directions for diagonal gesture', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('PanAxis.free allows panning in all directions for diagonal gesture', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -326,8 +331,7 @@ void main() {
       expect(translation.y, childOffset.dy - childInterior.dy);
     });
 
-    testWidgets('PanAxis.aligned allows panning in one direction only for diagonal gesture', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('PanAxis.aligned allows panning in one direction only for diagonal gesture', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -365,8 +369,7 @@ void main() {
       expect(translation.y, childOffset.dy - childInterior.dy);
     });
 
-    testWidgets('PanAxis.aligned allows panning in one direction only for horizontal leaning gesture', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('PanAxis.aligned allows panning in one direction only for horizontal leaning gesture', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -404,8 +407,7 @@ void main() {
       expect(translation.y, 0.0);
     });
 
-    testWidgets('PanAxis.horizontal allows panning in the horizontal direction only for diagonal gesture', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('PanAxis.horizontal allows panning in the horizontal direction only for diagonal gesture', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -443,8 +445,7 @@ void main() {
       expect(translation.y, 0.0);
     });
 
-    testWidgets('PanAxis.horizontal allows panning in the horizontal direction only for horizontal leaning gesture', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('PanAxis.horizontal allows panning in the horizontal direction only for horizontal leaning gesture', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -482,8 +483,7 @@ void main() {
       expect(translation.y, 0.0);
     });
 
-     testWidgets('PanAxis.horizontal does not allow panning in vertical direction on vertical gesture', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+     testWidgetsWithLeakTracking('PanAxis.horizontal does not allow panning in vertical direction on vertical gesture', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -521,8 +521,7 @@ void main() {
       expect(translation.y, 0.0);
     });
 
-    testWidgets('PanAxis.vertical allows panning in the vertical direction only for diagonal gesture', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('PanAxis.vertical allows panning in the vertical direction only for diagonal gesture', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -560,8 +559,7 @@ void main() {
       expect(translation.x, 0.0);
     });
 
-    testWidgets('PanAxis.vertical allows panning in the vertical direction only for vertical leaning gesture', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('PanAxis.vertical allows panning in the vertical direction only for vertical leaning gesture', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -599,8 +597,7 @@ void main() {
       expect(translation.x, 0.0);
     });
 
-     testWidgets('PanAxis.vertical does not allow panning in horizontal direction on vertical gesture', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+     testWidgetsWithLeakTracking('PanAxis.vertical does not allow panning in horizontal direction on vertical gesture', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -638,8 +635,7 @@ void main() {
       expect(translation.y, 0.0);
     });
 
-    testWidgets('inertia fling and boundary sliding', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('inertia fling and boundary sliding', (WidgetTester tester) async {
       const double boundaryMargin = 50.0;
       await tester.pumpWidget(
         MaterialApp(
@@ -697,8 +693,7 @@ void main() {
       expect(translation.y, moreOrLessEquals(boundaryMargin, epsilon: 1e-9));
     });
 
-    testWidgets('Scaling automatically causes a centering translation', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('Scaling automatically causes a centering translation', (WidgetTester tester) async {
       const double boundaryMargin = 50.0;
       const double minScale = 0.1;
       await tester.pumpWidget(
@@ -782,8 +777,7 @@ void main() {
       expect(newSceneFocalPoint.dy, moreOrLessEquals(sceneFocalPoint.dy, epsilon: 1.0));
     });
 
-    testWidgets('Scaling automatically causes a centering translation even when alignPanAxis is set', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('Scaling automatically causes a centering translation even when alignPanAxis is set', (WidgetTester tester) async {
       const double boundaryMargin = 50.0;
       const double minScale = 0.1;
       await tester.pumpWidget(
@@ -874,8 +868,7 @@ void main() {
       expect(newSceneFocalPoint.dy, moreOrLessEquals(sceneFocalPoint.dy, epsilon: 1.0));
     });
 
-    testWidgets('Can scale with mouse', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('Can scale with mouse', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -896,8 +889,7 @@ void main() {
       expect(transformationController.value.getMaxScaleOnAxis(), greaterThan(1.0));
     });
 
-    testWidgets('Cannot scale with mouse when scale is disabled', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('Cannot scale with mouse when scale is disabled', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -919,8 +911,7 @@ void main() {
       expect(transformationController.value.getMaxScaleOnAxis(), equals(1.0));
     });
 
-    testWidgets('Scale with mouse returns onInteraction properties', (WidgetTester tester) async{
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('Scale with mouse returns onInteraction properties', (WidgetTester tester) async{
       late Offset focalPoint;
       late Offset localFocalPoint;
       late double scaleChange;
@@ -971,8 +962,7 @@ void main() {
       expect(scenePoint, const Offset(100, 100));
     });
 
-     testWidgets('Scaling amount is equal forth and back with a mouse scroll', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+     testWidgetsWithLeakTracking('Scaling amount is equal forth and back with a mouse scroll', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -1003,8 +993,7 @@ void main() {
       expect(transformationController.value.getMaxScaleOnAxis(), 1.0);
     });
 
-    testWidgets('onInteraction can be used to get scene point', (WidgetTester tester) async{
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('onInteraction can be used to get scene point', (WidgetTester tester) async{
       late Offset focalPoint;
       late Offset localFocalPoint;
       late double scaleChange;
@@ -1057,8 +1046,7 @@ void main() {
       expect(scenePoint.dy, greaterThan(0.0));
     });
 
-    testWidgets('onInteraction is called even when disabled (touch)', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('onInteraction is called even when disabled (touch)', (WidgetTester tester) async {
       bool calledStart = false;
       bool calledUpdate = false;
       bool calledEnd = false;
@@ -1129,8 +1117,7 @@ void main() {
       expect(calledEnd, isTrue);
     }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.android, TargetPlatform.iOS }));
 
-    testWidgets('onInteraction is called even when disabled (mouse)', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('onInteraction is called even when disabled (mouse)', (WidgetTester tester) async {
       bool calledStart = false;
       bool calledUpdate = false;
       bool calledEnd = false;
@@ -1189,10 +1176,9 @@ void main() {
       expect(calledEnd, isTrue);
     }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.macOS, TargetPlatform.linux, TargetPlatform.windows }));
 
-    testWidgets('viewport changes size', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('viewport changes size', (WidgetTester tester) async {
       addTearDown(tester.view.reset);
 
-      final TransformationController transformationController = TransformationController();
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -1239,8 +1225,7 @@ void main() {
       expect(transformationController.value, equals(Matrix4.identity()));
     });
 
-    testWidgets('gesture can start as pan and become scale', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('gesture can start as pan and become scale', (WidgetTester tester) async {
       const double boundaryMargin = 50.0;
       await tester.pumpWidget(
         MaterialApp(
@@ -1297,8 +1282,7 @@ void main() {
     });
 
     // Regression test for https://github.com/flutter/flutter/issues/65304
-    testWidgets('can view beyond boundary when necessary for a small child', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('can view beyond boundary when necessary for a small child', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -1337,8 +1321,7 @@ void main() {
       expect(transformationController.value, equals(Matrix4.identity()));
     });
 
-    testWidgets('scale does not jump when wrapped in GestureDetector', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('scale does not jump when wrapped in GestureDetector', (WidgetTester tester) async {
       double? initialScale;
       double? scale;
       await tester.pumpWidget(
@@ -1413,7 +1396,7 @@ void main() {
       expect(transformationController.value.getMaxScaleOnAxis(), greaterThan(1.0));
     });
 
-    testWidgets('Check if ClipRect is present in the tree', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Check if ClipRect is present in the tree', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -1454,8 +1437,7 @@ void main() {
       );
     });
 
-    testWidgets('builder can change widgets that are off-screen', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('builder can change widgets that are off-screen', (WidgetTester tester) async {
       const double childHeight = 10.0;
       await tester.pumpWidget(
         MaterialApp(
@@ -1539,7 +1521,7 @@ void main() {
     // Accessing the intrinsic size of a LayoutBuilder throws an error, so
     // InteractiveViewer only uses a LayoutBuilder when it's needed by
     // InteractiveViewer.builder.
-    testWidgets('LayoutBuilder is only used for InteractiveViewer.builder', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('LayoutBuilder is only used for InteractiveViewer.builder', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -1571,9 +1553,8 @@ void main() {
       expect(find.byType(LayoutBuilder), findsOneWidget);
     });
 
-    testWidgets('scaleFactor', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('scaleFactor', (WidgetTester tester) async {
       const double scrollAmount = 30.0;
-      final TransformationController transformationController = TransformationController();
       Future<void> pumpScaleFactor(double scaleFactor) {
         return tester.pumpWidget(
           MaterialApp(
@@ -1651,7 +1632,7 @@ void main() {
       expect(scaleHighZoomedIn - scaleHighZoomedOut, lessThan(scaleZoomedIn - scaleZoomedOut));
     });
 
-    testWidgets('alignment argument is used properly', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('alignment argument is used properly', (WidgetTester tester) async {
       const Alignment alignment = Alignment.center;
 
       await tester.pumpWidget(MaterialApp(
@@ -1667,9 +1648,10 @@ void main() {
       expect(transform.alignment, alignment);
     });
 
-    testWidgets('interactionEndFrictionCoefficient', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('interactionEndFrictionCoefficient', (WidgetTester tester) async {
       // Use the default interactionEndFrictionCoefficient.
       final TransformationController transformationController1 = TransformationController();
+      addTearDown(transformationController1.dispose);
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -1695,6 +1677,7 @@ void main() {
 
       // Next try a custom interactionEndFrictionCoefficient.
       final TransformationController transformationController2 = TransformationController();
+      addTearDown(transformationController2.dispose);
       await tester.pumpWidget(
         MaterialApp(
           home: Scaffold(
@@ -1723,8 +1706,7 @@ void main() {
       expect(translation2.y, lessThan(translation1.y));
     });
 
-    testWidgets('discrete scroll pointer events', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('discrete scroll pointer events', (WidgetTester tester) async {
       const double boundaryMargin = 50.0;
       await tester.pumpWidget(
         MaterialApp(
@@ -1767,8 +1749,7 @@ void main() {
       expect(translation.y, -125);
     });
 
-    testWidgets('discrete scale pointer event', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('discrete scale pointer event', (WidgetTester tester) async {
       const double boundaryMargin = 50.0;
       await tester.pumpWidget(
         MaterialApp(
@@ -1804,8 +1785,7 @@ void main() {
       expect(transformationController.value.getMaxScaleOnAxis(), 2.5); // capped at maxScale (2.5)
     });
 
-    testWidgets('trackpadScrollCausesScale', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('trackpadScrollCausesScale', (WidgetTester tester) async {
       const double boundaryMargin = 50.0;
       await tester.pumpWidget(
         MaterialApp(
@@ -1840,8 +1820,7 @@ void main() {
       expect(transformationController.value.getMaxScaleOnAxis(), moreOrLessEquals(1.499302500056767));
     });
 
-    testWidgets('trackpad pointer scroll events cause scale', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('trackpad pointer scroll events cause scale', (WidgetTester tester) async {
       const double boundaryMargin = 50.0;
       await tester.pumpWidget(
         MaterialApp(
@@ -1891,8 +1870,7 @@ void main() {
       expect(translation.y, moreOrLessEquals(-99.37155332430822));
     });
 
-    testWidgets('Scaling inertia', (WidgetTester tester) async {
-      final TransformationController transformationController = TransformationController();
+    testWidgetsWithLeakTracking('Scaling inertia', (WidgetTester tester) async {
       const double boundaryMargin = 50.0;
       await tester.pumpWidget(
         MaterialApp(

packages/flutter/test/widgets/intrinsic_width_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('Intrinsic stepWidth, stepHeight', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Intrinsic stepWidth, stepHeight', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/25224
     Widget buildFrame(double? stepWidth, double? stepHeight) {
       return Center(

packages/flutter/test/widgets/invert_colors_test.dart

@@ -10,9 +10,10 @@ library;
 import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('InvertColors',  (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('InvertColors',  (WidgetTester tester) async {
     await tester.pumpWidget(const RepaintBoundary(
       child: SizedBox(
         width: 200.0,
@@ -29,7 +30,7 @@ void main() {
     );
   });
 
-  testWidgets('InvertColors and ColorFilter',  (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('InvertColors and ColorFilter',  (WidgetTester tester) async {
     await tester.pumpWidget(const RepaintBoundary(
       child: SizedBox(
         width: 200.0,

packages/flutter/test/widgets/keep_alive_test.dart

@@ -7,6 +7,7 @@ import 'dart:io' show Platform;
 import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class Leaf extends StatefulWidget {
   const Leaf({
@@ -46,7 +47,7 @@ List<Widget> generateList(Widget child) {
 }
 
 void main() {
-  testWidgets('KeepAlive with ListView with itemExtent', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('KeepAlive with ListView with itemExtent', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -94,7 +95,7 @@ void main() {
     expect(find.byKey(const GlobalObjectKey<_LeafState>(90), skipOffstage: false), findsNothing);
   });
 
-  testWidgets('KeepAlive with ListView without itemExtent', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('KeepAlive with ListView without itemExtent', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -141,7 +142,7 @@ void main() {
     expect(find.byKey(const GlobalObjectKey<_LeafState>(90), skipOffstage: false), findsNothing);
   });
 
-  testWidgets('KeepAlive with GridView', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('KeepAlive with GridView', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -190,7 +191,7 @@ void main() {
     expect(find.byKey(const GlobalObjectKey<_LeafState>(90), skipOffstage: false), findsNothing);
   });
 
-  testWidgets('KeepAlive render tree description', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('KeepAlive render tree description', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,

packages/flutter/test/widgets/key_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class TestValueKey<T> extends ValueKey<T> {
   const TestValueKey(super.value);
@@ -19,7 +20,7 @@ class NotEquals {
 }
 
 void main() {
-  testWidgets('Keys', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Keys', (WidgetTester tester) async {
     expect(ValueKey<int>(nonconst(3)) == ValueKey<int>(nonconst(3)), isTrue);
     expect(ValueKey<num>(nonconst(3)) == ValueKey<int>(nonconst(3)), isFalse);
     expect(ValueKey<int>(nonconst(3)) == ValueKey<int>(nonconst(2)), isFalse);

packages/flutter/test/widgets/keyboard_listener_test.dart

@@ -5,19 +5,22 @@
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('Can dispose without keyboard', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Can dispose without keyboard', (WidgetTester tester) async {
     final FocusNode focusNode = FocusNode();
+    addTearDown(focusNode.dispose);
     await tester.pumpWidget(KeyboardListener(focusNode: focusNode, child: Container()));
     await tester.pumpWidget(KeyboardListener(focusNode: focusNode, child: Container()));
     await tester.pumpWidget(Container());
   });
 
-  testWidgets('Fuchsia key event', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Fuchsia key event', (WidgetTester tester) async {
     final List<KeyEvent> events = <KeyEvent>[];
 
     final FocusNode focusNode = FocusNode();
+    addTearDown(focusNode.dispose);
 
     await tester.pumpWidget(
       KeyboardListener(
@@ -39,13 +42,13 @@ void main() {
     expect(events[0].logicalKey, LogicalKeyboardKey.metaLeft);
 
     await tester.pumpWidget(Container());
-    focusNode.dispose();
   }, skip: isBrowser); // [intended] This is a Fuchsia-specific test.
 
-  testWidgets('Web key event', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Web key event', (WidgetTester tester) async {
     final List<KeyEvent> events = <KeyEvent>[];
 
     final FocusNode focusNode = FocusNode();
+    addTearDown(focusNode.dispose);
 
     await tester.pumpWidget(
       KeyboardListener(
@@ -67,13 +70,13 @@ void main() {
     expect(events[0].logicalKey, LogicalKeyboardKey.metaLeft);
 
     await tester.pumpWidget(Container());
-    focusNode.dispose();
   });
 
-  testWidgets('Defunct listeners do not receive events', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Defunct listeners do not receive events', (WidgetTester tester) async {
     final List<KeyEvent> events = <KeyEvent>[];
 
     final FocusNode focusNode = FocusNode();
+    addTearDown(focusNode.dispose);
 
     await tester.pumpWidget(
       KeyboardListener(
@@ -101,6 +104,5 @@ void main() {
     expect(events.length, 0);
 
     await tester.pumpWidget(Container());
-    focusNode.dispose();
   });
 }

packages/flutter/test/widgets/layout_builder_and_global_keys_test.dart

@@ -5,6 +5,7 @@
 import 'package:flutter/src/rendering/sliver.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class Wrapper extends StatelessWidget {
   const Wrapper({
@@ -41,7 +42,7 @@ class StatefulWrapperState extends State<StatefulWrapper> {
 }
 
 void main() {
-  testWidgets('Moving global key inside a LayoutBuilder', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Moving global key inside a LayoutBuilder', (WidgetTester tester) async {
     final GlobalKey<StatefulWrapperState> key = GlobalKey<StatefulWrapperState>();
     await tester.pumpWidget(
       LayoutBuilder(builder: (BuildContext context, BoxConstraints constraints) {
@@ -60,7 +61,7 @@ void main() {
     expect(tester.takeException(), null);
   });
 
-  testWidgets('Moving global key inside a SliverLayoutBuilder', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Moving global key inside a SliverLayoutBuilder', (WidgetTester tester) async {
     final GlobalKey<StatefulWrapperState> key = GlobalKey<StatefulWrapperState>();
 
     await tester.pumpWidget(

packages/flutter/test/widgets/layout_builder_and_parent_data_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class SizeChanger extends StatefulWidget {
   const SizeChanger({
@@ -42,7 +43,7 @@ class SizeChangerState extends State<SizeChanger> {
 }
 
 void main() {
-  testWidgets('Applying parent data inside a LayoutBuilder', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Applying parent data inside a LayoutBuilder', (WidgetTester tester) async {
     int frame = 1;
     await tester.pumpWidget(SizeChanger( // when this is triggered, the child LayoutBuilder will build again
       child: LayoutBuilder(builder: (BuildContext context, BoxConstraints constraints) {

packages/flutter/test/widgets/layout_builder_and_state_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import 'test_widgets.dart';
 
@@ -49,7 +50,7 @@ class Wrapper extends StatelessWidget {
 }
 
 void main() {
-  testWidgets('Calling setState on a widget that moves into a LayoutBuilder in the same frame', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Calling setState on a widget that moves into a LayoutBuilder in the same frame', (WidgetTester tester) async {
     StatefulWrapperState statefulWrapper;
     final Widget inner = Wrapper(
       child: StatefulWrapper(

packages/flutter/test/widgets/layout_builder_mutations_test.dart

@@ -11,6 +11,7 @@ import 'package:flutter/src/widgets/media_query.dart';
 import 'package:flutter/src/widgets/scroll_view.dart';
 import 'package:flutter/src/widgets/sliver_layout_builder.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class Wrapper extends StatelessWidget {
   const Wrapper({
@@ -25,7 +26,7 @@ class Wrapper extends StatelessWidget {
 }
 
 void main() {
-  testWidgets('Moving a global key from another LayoutBuilder at layout time', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Moving a global key from another LayoutBuilder at layout time', (WidgetTester tester) async {
     final GlobalKey victimKey = GlobalKey();
 
     await tester.pumpWidget(Row(
@@ -71,7 +72,7 @@ void main() {
     expect(tester.takeException(), null);
   });
 
-  testWidgets('Moving a global key from another SliverLayoutBuilder at layout time', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Moving a global key from another SliverLayoutBuilder at layout time', (WidgetTester tester) async {
     final GlobalKey victimKey1 = GlobalKey();
     final GlobalKey victimKey2 = GlobalKey();
 
@@ -128,7 +129,7 @@ void main() {
     expect(tester.takeException(), null);
   });
 
-  testWidgets('LayoutBuilder does not layout twice', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LayoutBuilder does not layout twice', (WidgetTester tester) async {
     // This widget marks itself dirty when the closest MediaQuery changes.
     final _LayoutCount widget = _LayoutCount();
     late StateSetter setState;

packages/flutter/test/widgets/layout_builder_test.dart

@@ -5,9 +5,10 @@
 import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('LayoutBuilder parent size', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LayoutBuilder parent size', (WidgetTester tester) async {
     late Size layoutBuilderSize;
     final Key childKey = UniqueKey();
     final Key parentKey = UniqueKey();
@@ -38,7 +39,7 @@ void main() {
     expect(childBox.size, equals(const Size(50.0, 100.0)));
   });
 
-  testWidgets('SliverLayoutBuilder parent geometry', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SliverLayoutBuilder parent geometry', (WidgetTester tester) async {
     late SliverConstraints parentConstraints1;
     late SliverConstraints parentConstraints2;
     final Key childKey1 = UniqueKey();
@@ -88,7 +89,7 @@ void main() {
     expect(childSliver2.geometry, parentSliver2.geometry);
   });
 
-  testWidgets('LayoutBuilder stateful child', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LayoutBuilder stateful child', (WidgetTester tester) async {
     late Size layoutBuilderSize;
     late StateSetter setState;
     final Key childKey = UniqueKey();
@@ -134,7 +135,7 @@ void main() {
     expect(childBox.size, equals(const Size(100.0, 200.0)));
   });
 
-  testWidgets('SliverLayoutBuilder stateful descendants', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SliverLayoutBuilder stateful descendants', (WidgetTester tester) async {
     late StateSetter setState;
     double childWidth = 10.0;
     double childHeight = 20.0;
@@ -203,7 +204,7 @@ void main() {
     expect(parentSliver.geometry!.paintExtent, 600);
   });
 
-  testWidgets('LayoutBuilder stateful parent', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LayoutBuilder stateful parent', (WidgetTester tester) async {
     late Size layoutBuilderSize;
     late StateSetter setState;
     final Key childKey = UniqueKey();
@@ -247,7 +248,7 @@ void main() {
     expect(box.size, equals(const Size(100.0, 200.0)));
   });
 
-  testWidgets('LayoutBuilder and Inherited -- do not rebuild when not using inherited', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LayoutBuilder and Inherited -- do not rebuild when not using inherited', (WidgetTester tester) async {
     int built = 0;
     final Widget target = LayoutBuilder(
       builder: (BuildContext context, BoxConstraints constraints) {
@@ -270,7 +271,7 @@ void main() {
     expect(built, 1);
   });
 
-  testWidgets('LayoutBuilder and Inherited -- do rebuild when using inherited', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LayoutBuilder and Inherited -- do rebuild when using inherited', (WidgetTester tester) async {
     int built = 0;
     final Widget target = LayoutBuilder(
       builder: (BuildContext context, BoxConstraints constraints) {
@@ -294,7 +295,7 @@ void main() {
     expect(built, 2);
   });
 
-  testWidgets('SliverLayoutBuilder and Inherited -- do not rebuild when not using inherited', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SliverLayoutBuilder and Inherited -- do not rebuild when not using inherited', (WidgetTester tester) async {
     int built = 0;
     final Widget target = Directionality(
       textDirection: TextDirection.ltr,
@@ -325,7 +326,7 @@ void main() {
     expect(built, 1);
   });
 
-  testWidgets(
+  testWidgetsWithLeakTracking(
     'SliverLayoutBuilder and Inherited -- do rebuild when not using inherited',
     (WidgetTester tester) async {
       int built = 0;
@@ -360,7 +361,7 @@ void main() {
     },
   );
 
-  testWidgets('nested SliverLayoutBuilder', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('nested SliverLayoutBuilder', (WidgetTester tester) async {
     late SliverConstraints parentConstraints1;
     late SliverConstraints parentConstraints2;
     final Key childKey = UniqueKey();
@@ -405,10 +406,11 @@ void main() {
     expect(parentSliver1.geometry, parentSliver2.geometry);
   });
 
-  testWidgets('localToGlobal works with SliverLayoutBuilder', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('localToGlobal works with SliverLayoutBuilder', (WidgetTester tester) async {
     final Key childKey1 = UniqueKey();
     final Key childKey2 = UniqueKey();
     final ScrollController scrollController = ScrollController();
+    addTearDown(scrollController.dispose);
 
     await tester.pumpWidget(
       Directionality(
@@ -461,8 +463,9 @@ void main() {
     );
   });
 
-  testWidgets('hitTest works within SliverLayoutBuilder', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('hitTest works within SliverLayoutBuilder', (WidgetTester tester) async {
     final ScrollController scrollController = ScrollController();
+    addTearDown(scrollController.dispose);
     List<int> hitCounts = <int> [0, 0, 0];
 
     await tester.pumpWidget(
@@ -589,7 +592,7 @@ void main() {
     expect(hitCounts, const <int> [0, 0, 0]);
   });
 
-  testWidgets('LayoutBuilder does not call builder when layout happens but layout constraints do not change', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LayoutBuilder does not call builder when layout happens but layout constraints do not change', (WidgetTester tester) async {
     int builderInvocationCount = 0;
 
     Future<void> pumpTestWidget(Size size) async {
@@ -665,7 +668,7 @@ void main() {
     expect(spy.performResizeCount, 2);
   });
 
-  testWidgets('LayoutBuilder descendant widget can access [RenderBox.size] when rebuilding during layout', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LayoutBuilder descendant widget can access [RenderBox.size] when rebuilding during layout', (WidgetTester tester) async {
     Size? childSize;
     int buildCount = 0;
 

packages/flutter/test/widgets/linked_scroll_view_test.dart

@@ -14,6 +14,7 @@ import 'dart:math' as math;
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class LinkedScrollController extends ScrollController {
   LinkedScrollController({ this.before, this.after });
@@ -381,7 +382,7 @@ class _TestState extends State<Test> {
 }
 
 void main() {
-  testWidgets('LinkedScrollController - 1', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LinkedScrollController - 1', (WidgetTester tester) async {
     await tester.pumpWidget(const Test());
     expect(find.text('Hello A'), findsOneWidget);
     expect(find.text('Hello 1'), findsOneWidget);
@@ -459,7 +460,7 @@ void main() {
     expect(find.text('Hello D'), findsNothing);
     expect(find.text('Hello 4'), findsOneWidget);
   });
-  testWidgets('LinkedScrollController - 2', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LinkedScrollController - 2', (WidgetTester tester) async {
     await tester.pumpWidget(const Test());
     expect(find.text('Hello A'), findsOneWidget);
     expect(find.text('Hello B'), findsOneWidget);

packages/flutter/test/widgets/list_body_test.dart

@@ -5,6 +5,7 @@
 import 'package:flutter/src/foundation/assertions.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 const List<Widget> children = <Widget>[
   SizedBox(width: 200.0, height: 150.0),
@@ -29,7 +30,7 @@ void expectRects(WidgetTester tester, List<Rect> expected) {
 
 void main() {
 
-  testWidgets('ListBody down', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListBody down', (WidgetTester tester) async {
     await tester.pumpWidget(const Flex(
       direction: Axis.vertical,
       children: <Widget>[ ListBody(children: children) ],
@@ -46,7 +47,7 @@ void main() {
     );
   });
 
-  testWidgets('ListBody up', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListBody up', (WidgetTester tester) async {
     await tester.pumpWidget(const Flex(
       direction: Axis.vertical,
       children: <Widget>[ ListBody(reverse: true, children: children) ],
@@ -63,7 +64,7 @@ void main() {
     );
   });
 
-  testWidgets('ListBody right', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListBody right', (WidgetTester tester) async {
     await tester.pumpWidget(const Flex(
       textDirection: TextDirection.ltr,
       direction: Axis.horizontal,
@@ -86,7 +87,7 @@ void main() {
     );
   });
 
-  testWidgets('ListBody left', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListBody left', (WidgetTester tester) async {
     await tester.pumpWidget(const Flex(
       textDirection: TextDirection.ltr,
       direction: Axis.horizontal,
@@ -109,7 +110,7 @@ void main() {
     );
   });
 
-  testWidgets('Limited space along main axis error', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Limited space along main axis error', (WidgetTester tester) async {
     final FlutterExceptionHandler oldHandler = FlutterError.onError!;
     final List<FlutterErrorDetails> errors = <FlutterErrorDetails>[];
     FlutterError.onError = (FlutterErrorDetails error) => errors.add(error);
@@ -142,7 +143,7 @@ void main() {
     ));
   });
 
-  testWidgets('Nested ListBody unbounded cross axis error', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Nested ListBody unbounded cross axis error', (WidgetTester tester) async {
     final FlutterExceptionHandler oldHandler = FlutterError.onError!;
     final List<FlutterErrorDetails> errors = <FlutterErrorDetails>[];
     FlutterError.onError = (FlutterErrorDetails error) => errors.add(error);

packages/flutter/test/widgets/list_view_builder_test.dart

@@ -4,11 +4,12 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import 'test_widgets.dart';
 
 void main() {
-  testWidgets('ListView.builder mount/dismount smoke test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder mount/dismount smoke test', (WidgetTester tester) async {
     final List<int> callbackTracker = <int>[];
 
     // the root view is 800x600 in the test environment
@@ -61,7 +62,7 @@ void main() {
     check(visible: <int>[0, 1, 2, 3, 4, 5], hidden: <int>[ 6, 7, 8]);
   });
 
-  testWidgets('ListView.builder vertical', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder vertical', (WidgetTester tester) async {
     final List<int> callbackTracker = <int>[];
 
     // the root view is 800x600 in the test environment
@@ -79,11 +80,14 @@ void main() {
     }
 
     Widget buildWidget() {
+      final ScrollController controller = ScrollController(initialScrollOffset: 300.0);
+      addTearDown(controller.dispose);
+
       return Directionality(
         textDirection: TextDirection.ltr,
         child: FlipWidget(
           left: ListView.builder(
-            controller: ScrollController(initialScrollOffset: 300.0),
+            controller: controller,
             itemExtent: 200.0,
             itemBuilder: itemBuilder,
           ),
@@ -134,7 +138,7 @@ void main() {
     callbackTracker.clear();
   });
 
-  testWidgets('ListView.builder horizontal', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder horizontal', (WidgetTester tester) async {
     final List<int> callbackTracker = <int>[];
 
     // the root view is 800x600 in the test environment
@@ -152,11 +156,14 @@ void main() {
     }
 
     Widget buildWidget() {
+      final ScrollController controller = ScrollController(initialScrollOffset: 300.0);
+      addTearDown(controller.dispose);
+
       return Directionality(
         textDirection: TextDirection.ltr,
         child: FlipWidget(
           left: ListView.builder(
-            controller: ScrollController(initialScrollOffset: 300.0),
+            controller: controller,
             itemBuilder: itemBuilder,
             itemExtent: 200.0,
             scrollDirection: Axis.horizontal,
@@ -208,7 +215,7 @@ void main() {
     callbackTracker.clear();
   });
 
-  testWidgets('ListView.builder 10 items, 2-3 items visible', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder 10 items, 2-3 items visible', (WidgetTester tester) async {
     final List<int> callbackTracker = <int>[];
 
     // The root view is 800x600 in the test environment and our list
@@ -261,7 +268,7 @@ void main() {
     callbackTracker.clear();
   });
 
-  testWidgets('ListView.builder 30 items with big jump, using prototypeItem', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder 30 items with big jump, using prototypeItem', (WidgetTester tester) async {
     final List<int> callbackTracker = <int>[];
 
     // The root view is 800x600 in the test environment and our list
@@ -309,7 +316,7 @@ void main() {
     callbackTracker.clear();
   });
 
-  testWidgets('ListView.separated', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.separated', (WidgetTester tester) async {
     Widget buildFrame({ required int itemCount }) {
       return Directionality(
         textDirection: TextDirection.ltr,
@@ -355,7 +362,7 @@ void main() {
   });
 
 
-  testWidgets('ListView.separated uses correct semanticChildCount', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.separated uses correct semanticChildCount', (WidgetTester tester) async {
     Widget buildFrame({ required int itemCount}) {
       return Directionality(
         textDirection: TextDirection.ltr,
@@ -403,7 +410,7 @@ void main() {
   });
 
   // Regression test for https://github.com/flutter/flutter/issues/72292
-  testWidgets('ListView.builder and SingleChildScrollView can work well together', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder and SingleChildScrollView can work well together', (WidgetTester tester) async {
     Widget builder(int itemCount) {
       return Directionality(
         textDirection: TextDirection.ltr,

packages/flutter/test/widgets/list_view_correction_test.dart

@@ -4,10 +4,13 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('ListView can handle shrinking top elements', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView can handle shrinking top elements', (WidgetTester tester) async {
     final ScrollController controller = ScrollController();
+    addTearDown(controller.dispose);
+
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -65,8 +68,10 @@ void main() {
     expect(tester.getTopLeft(find.text('2')).dy, equals(200.0));
   });
 
-  testWidgets('ListView can handle shrinking top elements with cache extent', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView can handle shrinking top elements with cache extent', (WidgetTester tester) async {
     final ScrollController controller = ScrollController();
+    addTearDown(controller.dispose);
+
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -122,8 +127,10 @@ void main() {
     expect(tester.getTopLeft(find.text('2')).dy, equals(150.0));
   });
 
-  testWidgets('ListView can handle inserts at 0', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView can handle inserts at 0', (WidgetTester tester) async {
     final ScrollController controller = ScrollController();
+    addTearDown(controller.dispose);
+
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,

packages/flutter/test/widgets/list_view_fling_test.dart

@@ -4,12 +4,13 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 const double kHeight = 10.0;
 const double kFlingOffset = kHeight * 20.0;
 
 void main() {
-  testWidgets("Flings don't stutter", (WidgetTester tester) async {
+  testWidgetsWithLeakTracking("Flings don't stutter", (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,

packages/flutter/test/widgets/list_view_horizontal_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 const List<int> items = <int>[0, 1, 2, 3, 4, 5];
 
@@ -28,7 +29,7 @@ Widget buildFrame({ bool reverse = false, required TextDirection textDirection }
 }
 
 void main() {
-  testWidgets('Drag horizontally with scroll anchor at start (LTR)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Drag horizontally with scroll anchor at start (LTR)', (WidgetTester tester) async {
     await tester.pumpWidget(buildFrame(textDirection: TextDirection.ltr));
 
     await tester.pump(const Duration(seconds: 1));
@@ -147,7 +148,7 @@ void main() {
     expect(find.text('5'), findsNothing);
   });
 
-  testWidgets('Drag horizontally with scroll anchor at end (LTR)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Drag horizontally with scroll anchor at end (LTR)', (WidgetTester tester) async {
     await tester.pumpWidget(buildFrame(reverse: true, textDirection: TextDirection.ltr));
 
     await tester.pump(const Duration(seconds: 1));
@@ -247,7 +248,7 @@ void main() {
     expect(find.text('5'), findsOneWidget);
   });
 
-  testWidgets('Drag horizontally with scroll anchor at start (RTL)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Drag horizontally with scroll anchor at start (RTL)', (WidgetTester tester) async {
     await tester.pumpWidget(buildFrame(textDirection: TextDirection.rtl));
 
     await tester.pump(const Duration(seconds: 1));
@@ -347,7 +348,7 @@ void main() {
     expect(find.text('5'), findsOneWidget);
   });
 
-  testWidgets('Drag horizontally with scroll anchor at end (LTR)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Drag horizontally with scroll anchor at end (LTR)', (WidgetTester tester) async {
     await tester.pumpWidget(buildFrame(reverse: true, textDirection: TextDirection.rtl));
 
     await tester.pump(const Duration(seconds: 1));

packages/flutter/test/widgets/list_view_misc_test.dart

@@ -4,11 +4,12 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 const Key blockKey = Key('test');
 
 void main() {
-  testWidgets('Cannot scroll a non-overflowing block', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Cannot scroll a non-overflowing block', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -36,7 +37,7 @@ void main() {
     await gesture.up();
   });
 
-  testWidgets('Can scroll an overflowing block', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Can scroll an overflowing block', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -67,7 +68,7 @@ void main() {
     await gesture.up();
   });
 
-  testWidgets('ListView reverse', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView reverse', (WidgetTester tester) async {
     int first = 0;
     int second = 0;
 
@@ -111,8 +112,9 @@ void main() {
     expect(second, equals(1));
   });
 
-  testWidgets('ListView controller', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView controller', (WidgetTester tester) async {
     final ScrollController controller = ScrollController();
+    addTearDown(controller.dispose);
 
     Widget buildBlock() {
       return Directionality(
@@ -127,7 +129,7 @@ void main() {
     expect(controller.offset, equals(0.0));
   });
 
-  testWidgets('SliverBlockChildListDelegate.estimateMaxScrollOffset hits end', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SliverBlockChildListDelegate.estimateMaxScrollOffset hits end', (WidgetTester tester) async {
     final SliverChildListDelegate delegate = SliverChildListDelegate(<Widget>[
       Container(),
       Container(),
@@ -161,7 +163,7 @@ void main() {
     expect(maxScrollOffset, equals(26.0));
   });
 
-  testWidgets('Resizing a ListView child restores scroll offset', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Resizing a ListView child restores scroll offset', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/9221
     final AnimationController controller = AnimationController(
       vsync: const TestVSync(),

packages/flutter/test/widgets/list_view_relayout_test.dart

@@ -5,9 +5,10 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('Nested ListView with shrinkWrap', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Nested ListView with shrinkWrap', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -36,7 +37,7 @@ void main() {
     );
   });
 
-  testWidgets('Underflowing ListView should relayout for additional children', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Underflowing ListView should relayout for additional children', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/5950
 
     await tester.pumpWidget(
@@ -65,7 +66,7 @@ void main() {
     expect(find.text('200'), findsOneWidget);
   });
 
-  testWidgets('Underflowing ListView contentExtent should track additional children', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Underflowing ListView contentExtent should track additional children', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -102,7 +103,7 @@ void main() {
     expect(list.geometry!.scrollExtent, equals(0.0));
   });
 
-  testWidgets('Overflowing ListView should relayout for missing children', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Overflowing ListView should relayout for missing children', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -143,7 +144,7 @@ void main() {
     expect(find.text('400'), findsNothing);
   });
 
-  testWidgets('Overflowing ListView should not relayout for additional children', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Overflowing ListView should not relayout for additional children', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -177,7 +178,7 @@ void main() {
     expect(find.text('100'), findsNothing);
   });
 
-  testWidgets('Overflowing ListView should become scrollable', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Overflowing ListView should become scrollable', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/5920
     // When a ListView's viewport hasn't overflowed, scrolling is disabled.
     // When children are added that cause it to overflow, scrolling should

packages/flutter/test/widgets/list_view_semantics_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import 'semantics_tester.dart';
 
@@ -14,9 +15,10 @@ void main() {
     const int itemCount = 10;
     const double itemHeight = 150.0;
 
-    testWidgets('forward vertical', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('forward vertical', (WidgetTester tester) async {
       final SemanticsTester semantics = SemanticsTester(tester);
       final ScrollController controller = ScrollController();
+      addTearDown(controller.dispose);
 
       await tester.pumpWidget(
         Directionality(
@@ -44,9 +46,10 @@ void main() {
       semantics.dispose();
     });
 
-    testWidgets('reverse vertical', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('reverse vertical', (WidgetTester tester) async {
       final SemanticsTester semantics = SemanticsTester(tester);
       final ScrollController controller = ScrollController();
+      addTearDown(controller.dispose);
 
       await tester.pumpWidget(
         Directionality(
@@ -75,9 +78,10 @@ void main() {
       semantics.dispose();
     });
 
-    testWidgets('forward horizontal', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('forward horizontal', (WidgetTester tester) async {
       final SemanticsTester semantics = SemanticsTester(tester);
       final ScrollController controller = ScrollController();
+      addTearDown(controller.dispose);
 
       await tester.pumpWidget(
         Directionality(
@@ -106,9 +110,10 @@ void main() {
       semantics.dispose();
     });
 
-    testWidgets('reverse horizontal', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('reverse horizontal', (WidgetTester tester) async {
       final SemanticsTester semantics = SemanticsTester(tester);
       final ScrollController controller = ScrollController();
+      addTearDown(controller.dispose);
 
       await tester.pumpWidget(
         Directionality(

packages/flutter/test/widgets/list_view_test.dart

@@ -6,6 +6,7 @@ import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../rendering/rendering_tester.dart' show TestClipPaintingContext;
 
@@ -77,7 +78,7 @@ class _StatefulListViewState extends State<_StatefulListView> {
 
 void main() {
   // Regression test for https://github.com/flutter/flutter/issues/100451
-  testWidgets('ListView.builder respects findChildIndexCallback', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder respects findChildIndexCallback', (WidgetTester tester) async {
     bool finderCalled = false;
     int itemCount = 7;
     late StateSetter stateSetter;
@@ -113,7 +114,7 @@ void main() {
   });
 
   // Regression test for https://github.com/flutter/flutter/issues/100451
-  testWidgets('ListView.separator respects findChildIndexCallback', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.separator respects findChildIndexCallback', (WidgetTester tester) async {
     bool finderCalled = false;
     int itemCount = 7;
     late StateSetter stateSetter;
@@ -149,7 +150,7 @@ void main() {
     expect(finderCalled, true);
   });
 
-  testWidgets('ListView default control', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView default control', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -160,7 +161,7 @@ void main() {
     );
   });
 
-  testWidgets('ListView itemExtent control test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView itemExtent control test', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -207,7 +208,7 @@ void main() {
     expect(find.text('5'), findsNothing);
   });
 
-  testWidgets('ListView large scroll jump', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView large scroll jump', (WidgetTester tester) async {
     final List<int> log = <int>[];
 
     await tester.pumpWidget(
@@ -249,7 +250,7 @@ void main() {
     log.clear();
   });
 
-  testWidgets('ListView large scroll jump and keepAlive first child not keepAlive', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView large scroll jump and keepAlive first child not keepAlive', (WidgetTester tester) async {
     Future<void> checkAndScroll([ String zero = '0:false' ]) async {
       expect(find.text(zero), findsOneWidget);
       expect(find.text('1:false'), findsOneWidget);
@@ -286,7 +287,7 @@ void main() {
     await checkAndScroll('0:true');
   });
 
-  testWidgets('ListView can build out of underflow', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView can build out of underflow', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -342,7 +343,7 @@ void main() {
     expect(find.text('5'), findsNothing);
   });
 
-  testWidgets('ListView can build out of overflow padding', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView can build out of overflow padding', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -361,7 +362,7 @@ void main() {
     expect(find.text('padded', skipOffstage: false), findsOneWidget);
   });
 
-  testWidgets('ListView with itemExtent in unbounded context', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView with itemExtent in unbounded context', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -381,7 +382,7 @@ void main() {
     expect(find.text('19'), findsOneWidget);
   });
 
-  testWidgets('ListView with shrink wrap in bounded context correctly uses cache extent', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView with shrink wrap in bounded context correctly uses cache extent', (WidgetTester tester) async {
     final SemanticsHandle handle = tester.ensureSemantics();
     await tester.pumpWidget(
       Directionality(
@@ -405,7 +406,7 @@ void main() {
     handle.dispose();
   });
 
-  testWidgets('ListView hidden items should stay hidden if their semantics are updated', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView hidden items should stay hidden if their semantics are updated', (WidgetTester tester) async {
     final SemanticsHandle handle = tester.ensureSemantics();
     await tester.pumpWidget(
       Directionality(
@@ -440,7 +441,7 @@ void main() {
     handle.dispose();
   });
 
-  testWidgets('didFinishLayout has correct indices', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('didFinishLayout has correct indices', (WidgetTester tester) async {
     final TestSliverChildListDelegate delegate = TestSliverChildListDelegate(
       List<Widget>.generate(
         20,
@@ -486,7 +487,7 @@ void main() {
     delegate.log.clear();
   });
 
-  testWidgets('ListView automatically pad MediaQuery on axis', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView automatically pad MediaQuery on axis', (WidgetTester tester) async {
     EdgeInsets? innerMediaQueryPadding;
 
     await tester.pumpWidget(
@@ -514,7 +515,7 @@ void main() {
     expect(innerMediaQueryPadding, const EdgeInsets.symmetric(horizontal: 30.0));
   });
 
-  testWidgets('ListView clips if overflow is smaller than cacheExtent', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView clips if overflow is smaller than cacheExtent', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/17426.
 
     await tester.pumpWidget(
@@ -545,7 +546,7 @@ void main() {
     expect(find.byType(Viewport), paints..clipRect());
   });
 
-  testWidgets('ListView does not clips if no overflow', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView does not clips if no overflow', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -568,7 +569,7 @@ void main() {
     expect(find.byType(Viewport), isNot(paints..clipRect()));
   });
 
-  testWidgets('ListView (fixed extent) clips if overflow is smaller than cacheExtent', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView (fixed extent) clips if overflow is smaller than cacheExtent', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/17426.
 
     await tester.pumpWidget(
@@ -600,7 +601,7 @@ void main() {
     expect(find.byType(Viewport), paints..clipRect());
   });
 
-  testWidgets('ListView (fixed extent) does not clips if no overflow', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView (fixed extent) does not clips if no overflow', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -624,7 +625,7 @@ void main() {
     expect(find.byType(Viewport), isNot(paints..clipRect()));
   });
 
-  testWidgets('ListView.horizontal has implicit scrolling by default', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.horizontal has implicit scrolling by default', (WidgetTester tester) async {
     final SemanticsHandle handle = tester.ensureSemantics();
     await tester.pumpWidget(
       Directionality(
@@ -657,9 +658,10 @@ void main() {
     handle.dispose();
   });
 
-  testWidgets('Updates viewport dimensions when scroll direction changes', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Updates viewport dimensions when scroll direction changes', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/43380.
     final ScrollController controller = ScrollController();
+    addTearDown(controller.dispose);
 
     Widget buildListView({ required Axis scrollDirection }) {
       return Directionality(
@@ -694,7 +696,7 @@ void main() {
     expect(controller.position.viewportDimension, 100.0);
   });
 
-  testWidgets('ListView respects clipBehavior', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView respects clipBehavior', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -728,9 +730,14 @@ void main() {
     // 4th, check that a non-default clip behavior can be sent to the painting context.
     renderObject.paint(context, Offset.zero);
     expect(context.clipBehavior, equals(Clip.antiAlias));
-  });
+  },
+  leakTrackingTestConfig: const LeakTrackingTestConfig(
+    // TODO(ksokolovskyi): remove after fixing
+    // https://github.com/flutter/flutter/issues/134572
+    notDisposedAllowList: <String, int?> {'ContainerLayer': 1},
+  ));
 
-  testWidgets('ListView.builder respects clipBehavior', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder respects clipBehavior', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -745,7 +752,7 @@ void main() {
     expect(renderObject.clipBehavior, equals(Clip.antiAlias));
   });
 
-  testWidgets('ListView.custom respects clipBehavior', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.custom respects clipBehavior', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -762,7 +769,7 @@ void main() {
     expect(renderObject.clipBehavior, equals(Clip.antiAlias));
   });
 
-  testWidgets('ListView.separated respects clipBehavior', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.separated respects clipBehavior', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -779,8 +786,9 @@ void main() {
   });
 
   // Regression test for https://github.com/flutter/flutter/pull/131393
-  testWidgets('itemExtentBuilder test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('itemExtentBuilder test', (WidgetTester tester) async {
     final ScrollController controller = ScrollController();
+    addTearDown(controller.dispose);
     final List<int> buildLog = <int>[];
     late SliverLayoutDimensions sliverLayoutDimensions;
     await tester.pumpWidget(
@@ -909,7 +917,7 @@ void main() {
     expect(buildLog.max, 61);
   });
 
-  testWidgets('itemExtent, prototypeItem and itemExtentBuilder conflicts test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('itemExtent, prototypeItem and itemExtentBuilder conflicts test', (WidgetTester tester) async {
     Object? error;
     try {
       await tester.pumpWidget(

packages/flutter/test/widgets/list_view_vertical_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 const List<int> items = <int>[0, 1, 2, 3, 4, 5];
 
@@ -20,7 +21,7 @@ Widget buildFrame() {
 }
 
 void main() {
-  testWidgets('Drag vertically', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Drag vertically', (WidgetTester tester) async {
     await tester.pumpWidget(buildFrame());
 
     await tester.pump();
@@ -63,7 +64,7 @@ void main() {
     expect(find.text('5'), findsNothing);
   });
 
-  testWidgets('Drag vertically', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Drag vertically', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,

packages/flutter/test/widgets/list_view_viewporting_test.dart

@@ -5,11 +5,12 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import 'test_widgets.dart';
 
 void main() {
-  testWidgets('ListView mount/dismount smoke test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView mount/dismount smoke test', (WidgetTester tester) async {
     final List<int> callbackTracker = <int>[];
 
     // the root view is 800x600 in the test environment
@@ -59,7 +60,7 @@ void main() {
     ]));
   });
 
-  testWidgets('ListView vertical', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView vertical', (WidgetTester tester) async {
     final List<int> callbackTracker = <int>[];
 
     // the root view is 800x600 in the test environment
@@ -77,11 +78,14 @@ void main() {
     }
 
     Widget builder() {
+      final ScrollController controller = ScrollController(initialScrollOffset: 300.0);
+      addTearDown(controller.dispose);
+
       return Directionality(
         textDirection: TextDirection.ltr,
         child: FlipWidget(
           left: ListView.builder(
-            controller: ScrollController(initialScrollOffset: 300.0),
+            controller: controller,
             itemBuilder: itemBuilder,
           ),
           right: const Text('Not Today'),
@@ -122,7 +126,7 @@ void main() {
     callbackTracker.clear();
   });
 
-  testWidgets('ListView horizontal', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView horizontal', (WidgetTester tester) async {
     final List<int> callbackTracker = <int>[];
 
     // the root view is 800x600 in the test environment
@@ -140,12 +144,15 @@ void main() {
     }
 
     Widget builder() {
+      final ScrollController controller = ScrollController(initialScrollOffset: 500.0);
+      addTearDown(controller.dispose);
+
       return Directionality(
         textDirection: TextDirection.ltr,
         child: FlipWidget(
           left: ListView.builder(
             scrollDirection: Axis.horizontal,
-            controller: ScrollController(initialScrollOffset: 500.0),
+            controller: controller,
             itemBuilder: itemBuilder,
           ),
           right: const Text('Not Today'),
@@ -176,7 +183,7 @@ void main() {
     callbackTracker.clear();
   });
 
-  testWidgets('ListView reinvoke builders', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView reinvoke builders', (WidgetTester tester) async {
     final List<int> callbackTracker = <int>[];
     final List<String?> text = <String?>[];
 
@@ -228,7 +235,7 @@ void main() {
     text.clear();
   });
 
-  testWidgets('ListView reinvoke builders', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView reinvoke builders', (WidgetTester tester) async {
     late StateSetter setState;
     ThemeData themeData = ThemeData.light(useMaterial3: false);
 
@@ -271,7 +278,7 @@ void main() {
     expect(widget.color, equals(Colors.green));
   });
 
-  testWidgets('ListView padding', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView padding', (WidgetTester tester) async {
     Widget itemBuilder(BuildContext context, int index) {
       return Container(
         key: ValueKey<int>(index),
@@ -298,7 +305,7 @@ void main() {
     expect(firstBox.size.width, equals(800.0 - 12.0));
   });
 
-  testWidgets('ListView underflow extents', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView underflow extents', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -433,8 +440,11 @@ void main() {
     expect(position.minScrollExtent, equals(0.0));
   });
 
-  testWidgets('ListView should not paint hidden children', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView should not paint hidden children', (WidgetTester tester) async {
     const Text text = Text('test');
+    final ScrollController controller = ScrollController(initialScrollOffset: 300.0);
+    addTearDown(controller.dispose);
+
     await tester.pumpWidget(
         Directionality(
             textDirection: TextDirection.ltr,
@@ -443,7 +453,7 @@ void main() {
                   height: 200.0,
                   child: ListView(
                     cacheExtent: 500.0,
-                    controller: ScrollController(initialScrollOffset: 300.0),
+                    controller: controller,
                     children: const <Widget>[
                       SizedBox(height: 140.0, child: text),
                       SizedBox(height: 160.0, child: text),
@@ -462,14 +472,17 @@ void main() {
     expect(list, paintsExactlyCountTimes(#drawParagraph, 2));
   });
 
-  testWidgets('ListView should paint with offset', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView should paint with offset', (WidgetTester tester) async {
+    final ScrollController controller = ScrollController(initialScrollOffset: 120.0);
+    addTearDown(controller.dispose);
+
     await tester.pumpWidget(
       MaterialApp(
         home: Scaffold(
           body: SizedBox(
             height: 500.0,
             child: CustomScrollView(
-              controller: ScrollController(initialScrollOffset: 120.0),
+              controller: controller,
               slivers: <Widget>[
                 const SliverAppBar(
                   expandedHeight: 250.0,
@@ -493,9 +506,14 @@ void main() {
 
     final RenderObject renderObject = tester.renderObject(find.byType(Scrollable));
     expect(renderObject, paintsExactlyCountTimes(#drawParagraph, 10));
-  });
+  },
+  leakTrackingTestConfig: const LeakTrackingTestConfig(
+    // TODO(ksokolovskyi): remove after fixing
+    // https://github.com/flutter/flutter/issues/134661
+    notDisposedAllowList: <String, int?> {'AnnotatedRegionLayer<SystemUiOverlayStyle>': 1},
+  ));
 
-  testWidgets('ListView should paint with rtl', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView should paint with rtl', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.rtl,

packages/flutter/test/widgets/list_view_with_inherited_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 List<String> items = <String>[
   'one',
@@ -40,7 +41,7 @@ Widget buildFrame() {
 }
 
 void main() {
-  testWidgets('ListView is a build function (smoketest)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView is a build function (smoketest)', (WidgetTester tester) async {
     await tester.pumpWidget(buildFrame());
     expect(find.text('one'), findsOneWidget);
     expect(find.text('two'), findsOneWidget);