Cover some cupertino tests with leak tracing (#135149)

packages/flutter/test/cupertino/button_test.dart

@@ -68,7 +68,7 @@ void main() {
   // TODO(LongCatIsLoong): Uncomment once https://github.com/flutter/flutter/issues/44115
   // is fixed.
   /*
-  testWidgets(
+  testWidgetsWithLeakTracking(
     'CupertinoButton.filled default color contrast meets guideline',
     (WidgetTester tester) async {
       // The native color combination systemBlue text over white background fails
@@ -185,7 +185,7 @@ void main() {
     expect(SchedulerBinding.instance.transientCallbackCount, equals(1));
   });
 
-  testWidgets("Disabled button doesn't animate", (WidgetTester tester) async {
+  testWidgetsWithLeakTracking("Disabled button doesn't animate", (WidgetTester tester) async {
     await tester.pumpWidget(boilerplate(child: const CupertinoButton(
       onPressed: null,
       child: Text('Tap me'),

packages/flutter/test/cupertino/colors_test.dart

@@ -5,6 +5,7 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class DependentWidget extends StatelessWidget {
   const DependentWidget({
@@ -200,7 +201,7 @@ void main() {
     );
   });
 
-  testWidgets(
+  testWidgetsWithLeakTracking(
     'Dynamic colors that are not actually dynamic should not claim dependencies',
     (WidgetTester tester) async {
       await tester.pumpWidget(const DependentWidget(color: notSoDynamicColor1));
@@ -210,7 +211,7 @@ void main() {
     },
   );
 
-  testWidgets(
+  testWidgetsWithLeakTracking(
     'Dynamic colors that are only dependent on vibrancy should not claim unnecessary dependencies, '
     'and its resolved color should change when its dependency changes',
     (WidgetTester tester) async {
@@ -254,7 +255,7 @@ void main() {
     },
   );
 
-  testWidgets(
+  testWidgetsWithLeakTracking(
     'Dynamic colors that are only dependent on accessibility contrast should not claim unnecessary dependencies, '
     'and its resolved color should change when its dependency changes',
     (WidgetTester tester) async {
@@ -283,7 +284,7 @@ void main() {
     },
   );
 
-  testWidgets(
+  testWidgetsWithLeakTracking(
     'Dynamic colors that are only dependent on elevation level should not claim unnecessary dependencies, '
     'and its resolved color should change when its dependency changes',
     (WidgetTester tester) async {
@@ -312,7 +313,7 @@ void main() {
     },
   );
 
-  testWidgets('Dynamic color with all 3 dependencies works', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Dynamic color with all 3 dependencies works', (WidgetTester tester) async {
     const Color dynamicRainbowColor1 = CupertinoDynamicColor(
       color: color0,
       darkColor: color1,
@@ -413,7 +414,7 @@ void main() {
     expect(find.byType(DependentWidget), paints..rect(color: color7));
   });
 
-  testWidgets('CupertinoDynamicColor used in a CupertinoTheme', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoDynamicColor used in a CupertinoTheme', (WidgetTester tester) async {
     late CupertinoDynamicColor color;
     await tester.pumpWidget(
       CupertinoApp(
@@ -498,7 +499,7 @@ void main() {
     Color? color;
     setUp(() { color = null; });
 
-    testWidgets('dynamic color works in cupertino override theme', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('dynamic color works in cupertino override theme', (WidgetTester tester) async {
       CupertinoDynamicColor typedColor() => color! as CupertinoDynamicColor;
 
       await tester.pumpWidget(
@@ -555,7 +556,7 @@ void main() {
       expect(typedColor().value, dynamicColor.darkHighContrastElevatedColor.value);
     });
 
-    testWidgets('dynamic color does not work in a material theme', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('dynamic color does not work in a material theme', (WidgetTester tester) async {
       await tester.pumpWidget(
         MaterialApp(
           // This will create a MaterialBasedCupertinoThemeData with primaryColor set to `dynamicColor`.

packages/flutter/test/cupertino/context_menu_action_test.dart

@@ -7,6 +7,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.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() {
   // Constants taken from _ContextMenuActionState.
@@ -71,7 +72,7 @@ void main() {
     return icon;
   }
 
-  testWidgets('responds to taps', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('responds to taps', (WidgetTester tester) async {
     bool wasPressed = false;
     await tester.pumpWidget(getApp(onPressed: () {
       wasPressed = true;
@@ -82,7 +83,7 @@ void main() {
     expect(wasPressed, true);
   });
 
-  testWidgets('turns grey when pressed and held', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('turns grey when pressed and held', (WidgetTester tester) async {
     await tester.pumpWidget(getApp());
     expect(find.byType(CupertinoContextMenuAction),
         paints..rect(color: kBackgroundColor.color));
@@ -117,27 +118,27 @@ void main() {
         paints..rect(color: kBackgroundColor.darkColor));
   });
 
-  testWidgets('icon and textStyle colors are correct out of the box',
+  testWidgetsWithLeakTracking('icon and textStyle colors are correct out of the box',
       (WidgetTester tester) async {
     await tester.pumpWidget(getApp());
     expect(getTextStyle(tester).color, CupertinoColors.label);
     expect(getIcon(tester).color, CupertinoColors.label);
   });
 
-  testWidgets('icon and textStyle colors are correct for destructive actions',
+  testWidgetsWithLeakTracking('icon and textStyle colors are correct for destructive actions',
       (WidgetTester tester) async {
     await tester.pumpWidget(getApp(isDestructiveAction: true));
     expect(getTextStyle(tester).color, kDestructiveActionColor);
     expect(getIcon(tester).color, kDestructiveActionColor);
   });
 
-  testWidgets('textStyle is correct for defaultAction',
+  testWidgetsWithLeakTracking('textStyle is correct for defaultAction',
       (WidgetTester tester) async {
     await tester.pumpWidget(getApp(isDefaultAction: true));
     expect(getTextStyle(tester).fontWeight, kDefaultActionWeight);
   });
 
-  testWidgets(
+  testWidgetsWithLeakTracking(
       'Hovering over Cupertino context menu action updates cursor to clickable on Web',
       (WidgetTester tester) async {
     /// Cupertino context menu action without "onPressed" callback.

packages/flutter/test/cupertino/context_menu_test.dart

@@ -8,6 +8,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.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() {
   final TestWidgetsFlutterBinding binding = TestWidgetsFlutterBinding.ensureInitialized();
@@ -120,7 +121,7 @@ void main() {
   }
 
   group('CupertinoContextMenu before and during opening', () {
-    testWidgets('An unopened CupertinoContextMenu renders child in the same place as without', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('An unopened CupertinoContextMenu renders child in the same place as without', (WidgetTester tester) async {
       // Measure the child in the scene with no CupertinoContextMenu.
       final Widget child = getChild();
       await tester.pumpWidget(
@@ -140,7 +141,7 @@ void main() {
       expect(tester.getRect(find.byWidget(child)), childRect);
     });
 
-    testWidgets('Can open CupertinoContextMenu by tap and hold', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Can open CupertinoContextMenu by tap and hold', (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(getContextMenu(child: child));
       expect(find.byWidget(child), findsOneWidget);
@@ -176,7 +177,7 @@ void main() {
       expect(findStatic(), findsOneWidget);
     });
 
-    testWidgets('CupertinoContextMenu is in the correct position when within a nested navigator', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('CupertinoContextMenu is in the correct position when within a nested navigator', (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(CupertinoApp(
         home: CupertinoPageScaffold(
@@ -241,7 +242,7 @@ void main() {
       expect(findStatic(), findsOneWidget);
     });
 
-    testWidgets('CupertinoContextMenu with a basic builder opens and closes the same as when providing a child', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('CupertinoContextMenu with a basic builder opens and closes the same as when providing a child', (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(getBuilderContextMenu(builder: (BuildContext context, Animation<double> animation) {
         return child;
@@ -279,7 +280,7 @@ void main() {
       expect(findStatic(), findsOneWidget);
     });
 
-    testWidgets('CupertinoContextMenu with a builder can change the animation', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('CupertinoContextMenu with a builder can change the animation', (WidgetTester tester) async {
       await tester.pumpWidget(getBuilderContextMenu(builder: (BuildContext context, Animation<double> animation) {
         return Container(
           width: 300.0,
@@ -319,7 +320,7 @@ void main() {
       expect(decoyLaterDecoration?.borderRadius, isNot(equals(BorderRadius.circular(0))));
     });
 
-    testWidgets('Hovering over Cupertino context menu updates cursor to clickable on Web', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Hovering over Cupertino context menu updates cursor to clickable on Web', (WidgetTester tester) async {
       final Widget child  = getChild();
       await tester.pumpWidget(CupertinoApp(
         home: CupertinoPageScaffold(
@@ -350,7 +351,7 @@ void main() {
       );
     });
 
-    testWidgets('CupertinoContextMenu is in the correct position when within a Transform.scale', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('CupertinoContextMenu is in the correct position when within a Transform.scale', (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(CupertinoApp(
         home: CupertinoPageScaffold(
@@ -408,7 +409,7 @@ void main() {
   });
 
   group('CupertinoContextMenu when open', () {
-    testWidgets('Last action does not have border', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Last action does not have border', (WidgetTester tester) async {
       final Widget child  = getChild();
       await tester.pumpWidget(CupertinoApp(
         home: CupertinoPageScaffold(
@@ -467,7 +468,7 @@ void main() {
       expect(findStaticChildDecoration(tester), findsNWidgets(3));
     });
 
-    testWidgets('Can close CupertinoContextMenu by background tap', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Can close CupertinoContextMenu by background tap', (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(getContextMenu(child: child));
 
@@ -485,7 +486,7 @@ void main() {
       expect(findStatic(), findsNothing);
     });
 
-    testWidgets('Can close CupertinoContextMenu by dragging down', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Can close CupertinoContextMenu by dragging down', (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(getContextMenu(child: child));
 
@@ -527,7 +528,7 @@ void main() {
       expect(findStatic(), findsNothing);
     });
 
-    testWidgets('Can close CupertinoContextMenu by flinging down', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Can close CupertinoContextMenu by flinging down', (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(getContextMenu(child: child));
 
@@ -552,7 +553,7 @@ void main() {
       expect(findStatic(), findsNothing);
     });
 
-    testWidgets("Backdrop is added using ModalRoute's filter parameter", (WidgetTester tester) async {
+    testWidgetsWithLeakTracking("Backdrop is added using ModalRoute's filter parameter", (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(getContextMenu(child: child));
       expect(find.byType(BackdropFilter), findsNothing);
@@ -567,7 +568,7 @@ void main() {
       expect(find.byType(BackdropFilter), findsOneWidget);
     });
 
-    testWidgets('Preview widget should have the correct border radius', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Preview widget should have the correct border radius', (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(getContextMenu(child: child));
 
@@ -585,7 +586,7 @@ void main() {
       expect(previewWidget.borderRadius, equals(BorderRadius.circular(12.0)));
     });
 
-    testWidgets('CupertinoContextMenu width is correct', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('CupertinoContextMenu width is correct', (WidgetTester tester) async {
       final Widget child = getChild();
       await tester.pumpWidget(getContextMenu(child: child));
       expect(find.byWidget(child), findsOneWidget);
@@ -628,7 +629,7 @@ void main() {
       }
     });
 
-    testWidgets("ContextMenu route animation doesn't throw exception on dismiss", (WidgetTester tester) async {
+    testWidgetsWithLeakTracking("ContextMenu route animation doesn't throw exception on dismiss", (WidgetTester tester) async {
       // This is a regression test for https://github.com/flutter/flutter/issues/124597.
       final List<int> items = List<int>.generate(2, (int index) => index).toList();
 
@@ -675,7 +676,7 @@ void main() {
   });
 
   group("Open layout differs depending on child's position on screen", () {
-    testWidgets('Portrait', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Portrait', (WidgetTester tester) async {
       const Size portraitScreenSize = Size(600.0, 800.0);
       await binding.setSurfaceSize(portraitScreenSize);
 
@@ -747,7 +748,7 @@ void main() {
       await binding.setSurfaceSize(const Size(800.0, 600.0));
     });
 
-    testWidgets('Landscape', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Landscape', (WidgetTester tester) async {
       // Pump a CupertinoContextMenu in the center of the screen and open it.
       final Widget child = getChild();
       await tester.pumpWidget(getContextMenu(
@@ -812,7 +813,7 @@ void main() {
     });
   });
 
-  testWidgets('Conflicting gesture detectors', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Conflicting gesture detectors', (WidgetTester tester) async {
     int? onPointerDownTime;
     int? onPointerUpTime;
     bool insideTapTriggered = false;

packages/flutter/test/cupertino/debug_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('debugCheckHasCupertinoLocalizations throws', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('debugCheckHasCupertinoLocalizations throws', (WidgetTester tester) async {
     final GlobalKey noLocalizationsAvailable = GlobalKey();
     final GlobalKey localizationsAvailable = GlobalKey();
 

packages/flutter/test/cupertino/desktop_text_selection_toolbar_button_test.dart

@@ -5,11 +5,12 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
-  testWidgets('can press', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('can press', (WidgetTester tester) async {
     bool pressed = false;
     await tester.pumpWidget(
       CupertinoApp(
@@ -30,7 +31,7 @@ void main() {
     expect(pressed, true);
   });
 
-  testWidgets('keeps contrast with background on hover',
+  testWidgetsWithLeakTracking('keeps contrast with background on hover',
       (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
@@ -70,7 +71,7 @@ void main() {
     );
   });
 
-  testWidgets('pressedOpacity defaults to 0.1', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('pressedOpacity defaults to 0.1', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -114,7 +115,7 @@ void main() {
     expect(opacity.opacity.value, 1.0);
   });
 
-  testWidgets('passing null to onPressed disables the button', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('passing null to onPressed disables the button', (WidgetTester tester) async {
     await tester.pumpWidget(
       const CupertinoApp(
         home: Center(

packages/flutter/test/cupertino/desktop_text_selection_toolbar_test.dart

@@ -7,11 +7,12 @@ import 'dart:ui';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
-  testWidgets('has correct backdrop filters', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('has correct backdrop filters', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -53,7 +54,7 @@ void main() {
     );
   });
 
-  testWidgets('has shadow', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('has shadow', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -83,7 +84,7 @@ void main() {
     );
   });
 
-  testWidgets('is translucent', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('is translucent', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -116,7 +117,7 @@ void main() {
     );
   });
 
-  testWidgets('positions itself at the anchor', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('positions itself at the anchor', (WidgetTester tester) async {
     // An arbitrary point on the screen to position at.
     const Offset anchor = Offset(30.0, 40.0);
 

packages/flutter/test/cupertino/form_row_test.dart

@@ -6,9 +6,10 @@ import 'package:flutter/cupertino.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';
 
 void main() {
-  testWidgets('Shows prefix', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Shows prefix', (WidgetTester tester) async {
     const Widget prefix = Text('Enter Value');
 
     await tester.pumpWidget(
@@ -25,7 +26,7 @@ void main() {
     expect(prefix, tester.widget(find.byType(Text)));
   });
 
-  testWidgets('Shows child', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Shows child', (WidgetTester tester) async {
     const Widget child = CupertinoTextField();
 
     await tester.pumpWidget(
@@ -41,7 +42,7 @@ void main() {
     expect(child, tester.widget(find.byType(CupertinoTextField)));
   });
 
-  testWidgets('RTL puts prefix after child', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('RTL puts prefix after child', (WidgetTester tester) async {
     const Widget prefix = Text('Enter Value');
     const Widget child = CupertinoTextField();
 
@@ -62,7 +63,7 @@ void main() {
     expect(tester.getTopLeft(find.byType(Text)).dx > tester.getTopLeft(find.byType(CupertinoTextField)).dx, true);
   });
 
-  testWidgets('LTR puts child after prefix', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('LTR puts child after prefix', (WidgetTester tester) async {
     const Widget prefix = Text('Enter Value');
     const Widget child = CupertinoTextField();
 
@@ -83,7 +84,7 @@ void main() {
     expect(tester.getTopLeft(find.byType(Text)).dx > tester.getTopLeft(find.byType(CupertinoTextField)).dx, false);
   });
 
-  testWidgets('Shows error widget', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Shows error widget', (WidgetTester tester) async {
     const Widget error = Text('Error');
 
     await tester.pumpWidget(
@@ -100,7 +101,7 @@ void main() {
     expect(error, tester.widget(find.byType(Text)));
   });
 
-  testWidgets('Shows helper widget', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Shows helper widget', (WidgetTester tester) async {
     const Widget helper = Text('Helper');
 
     await tester.pumpWidget(
@@ -117,7 +118,7 @@ void main() {
     expect(helper, tester.widget(find.byType(Text)));
   });
 
-  testWidgets('Shows helper text above error text', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Shows helper text above error text', (WidgetTester tester) async {
     const Widget helper = Text('Helper');
     const Widget error = CupertinoActivityIndicator();
 
@@ -139,7 +140,7 @@ void main() {
     );
   });
 
-  testWidgets('Shows helper in label color and error text in red color', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Shows helper in label color and error text in red color', (WidgetTester tester) async {
     const Widget helper = Text('Helper');
     const Widget error = Text('Error');
 
@@ -166,7 +167,7 @@ void main() {
     expect(errorTextStyle.style.color, CupertinoColors.destructiveRed);
   });
 
-  testWidgets('CupertinoFormRow adapts to MaterialApp dark mode', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoFormRow adapts to MaterialApp dark mode', (WidgetTester tester) async {
     const Widget prefix = Text('Prefix');
     const Widget helper = Text('Helper');
 

packages/flutter/test/cupertino/icon_theme_data_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('IconTheme.of works', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('IconTheme.of works', (WidgetTester tester) async {
     const IconThemeData data = IconThemeData(
       size: 16.0,
       fill: 0.0,

packages/flutter/test/cupertino/list_section_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('shows header', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('shows header', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -23,7 +24,7 @@ void main() {
     expect(find.text('Header'), findsOneWidget);
   });
 
-  testWidgets('shows footer', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('shows footer', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -40,7 +41,7 @@ void main() {
     expect(find.text('Footer'), findsOneWidget);
   });
 
-  testWidgets('shows long dividers in edge-to-edge section part 1', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('shows long dividers in edge-to-edge section part 1', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -59,7 +60,7 @@ void main() {
     expect(childrenColumn.children.length, 3);
   });
 
-  testWidgets('shows long dividers in edge-to-edge section part 2', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('shows long dividers in edge-to-edge section part 2', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -80,7 +81,7 @@ void main() {
     expect(childrenColumn.children.length, 5);
   });
 
-  testWidgets('does not show long dividers in insetGrouped section part 1', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('does not show long dividers in insetGrouped section part 1', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -100,7 +101,7 @@ void main() {
     expect(childrenColumn.children.length, 1);
   });
 
-  testWidgets('does not show long dividers in insetGrouped section part 2', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('does not show long dividers in insetGrouped section part 2', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -121,7 +122,7 @@ void main() {
     expect(childrenColumn.children.length, 3);
   });
 
-  testWidgets('sets background color for section', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('sets background color for section', (WidgetTester tester) async {
     const Color backgroundColor = CupertinoColors.systemBlue;
 
     await tester.pumpWidget(
@@ -144,7 +145,7 @@ void main() {
     expect(boxDecoration.color, backgroundColor);
   });
 
-  testWidgets('setting clipBehavior clips children section', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('setting clipBehavior clips children section', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -161,7 +162,7 @@ void main() {
     expect(find.byType(ClipRRect), findsOneWidget);
   });
 
-  testWidgets('not setting clipBehavior does not clip children section', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('not setting clipBehavior does not clip children section', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -177,7 +178,7 @@ void main() {
     expect(find.byType(ClipRRect), findsNothing);
   });
 
-  testWidgets('CupertinoListSection respects separatorColor', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoListSection respects separatorColor', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -200,7 +201,7 @@ void main() {
     }
   });
 
-  testWidgets('CupertinoListSection.separatorColor defaults CupertinoColors.separator', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoListSection.separatorColor defaults CupertinoColors.separator', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(

packages/flutter/test/cupertino/list_tile_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('shows title', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('shows title', (WidgetTester tester) async {
     const Widget title = Text('CupertinoListTile');
 
     await tester.pumpWidget(
@@ -23,7 +24,7 @@ void main() {
     expect(find.text('CupertinoListTile'), findsOneWidget);
   });
 
-  testWidgets('shows subtitle', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('shows subtitle', (WidgetTester tester) async {
     const Widget subtitle = Text('CupertinoListTile subtitle');
 
     await tester.pumpWidget(
@@ -41,7 +42,7 @@ void main() {
     expect(find.text('CupertinoListTile subtitle'), findsOneWidget);
   });
 
-  testWidgets('shows additionalInfo', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('shows additionalInfo', (WidgetTester tester) async {
     const Widget additionalInfo = Text('Not Connected');
 
     await tester.pumpWidget(
@@ -59,7 +60,7 @@ void main() {
     expect(find.text('Not Connected'), findsOneWidget);
   });
 
-  testWidgets('shows trailing', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('shows trailing', (WidgetTester tester) async {
     const Widget trailing = CupertinoListTileChevron();
 
     await tester.pumpWidget(
@@ -76,7 +77,7 @@ void main() {
     expect(tester.widget<CupertinoListTileChevron>(find.byType(CupertinoListTileChevron)), trailing);
   });
 
-  testWidgets('shows leading', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('shows leading', (WidgetTester tester) async {
     const Widget leading = Icon(CupertinoIcons.add);
 
     await tester.pumpWidget(
@@ -93,7 +94,7 @@ void main() {
     expect(tester.widget<Icon>(find.byType(Icon)), leading);
   });
 
-  testWidgets('sets backgroundColor', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('sets backgroundColor', (WidgetTester tester) async {
     const Color backgroundColor = CupertinoColors.systemRed;
 
     await tester.pumpWidget(
@@ -118,7 +119,7 @@ void main() {
     expect(container.color, backgroundColor);
   });
 
-  testWidgets('does not change backgroundColor when tapped if onTap is not provided', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('does not change backgroundColor when tapped if onTap is not provided', (WidgetTester tester) async {
     const Color backgroundColor = CupertinoColors.systemBlue;
     const Color backgroundColorActivated = CupertinoColors.systemRed;
 
@@ -148,7 +149,7 @@ void main() {
     expect(container.color, backgroundColor);
   });
 
-  testWidgets('changes backgroundColor when tapped if onTap is provided', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('changes backgroundColor when tapped if onTap is provided', (WidgetTester tester) async {
     const Color backgroundColor = CupertinoColors.systemBlue;
     const Color backgroundColorActivated = CupertinoColors.systemRed;
 
@@ -187,7 +188,7 @@ void main() {
     await tester.pumpAndSettle();
   });
 
-  testWidgets('does not contain GestureDetector if onTap is not provided', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('does not contain GestureDetector if onTap is not provided', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -208,7 +209,7 @@ void main() {
     expect(find.byType(GestureDetector), findsNothing);
   });
 
-  testWidgets('contains GestureDetector if onTap is provided', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('contains GestureDetector if onTap is provided', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -230,7 +231,7 @@ void main() {
     expect(find.byType(GestureDetector), findsOneWidget);
   });
 
-  testWidgets('resets the background color when navigated back', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('resets the background color when navigated back', (WidgetTester tester) async {
     const Color backgroundColor = CupertinoColors.systemBlue;
     const Color backgroundColorActivated = CupertinoColors.systemRed;
 
@@ -279,7 +280,7 @@ void main() {
   });
 
   group('alignment of widgets for left-to-right', () {
-    testWidgets('leading is on the left of title', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('leading is on the left of title', (WidgetTester tester) async {
       const Widget title = Text('CupertinoListTile');
       const Widget leading = Icon(CupertinoIcons.add);
 
@@ -303,7 +304,7 @@ void main() {
       expect(foundTitle.dx > foundLeading.dx, true);
     });
 
-    testWidgets('subtitle is placed below title and aligned on left', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('subtitle is placed below title and aligned on left', (WidgetTester tester) async {
       const Widget title = Text('CupertinoListTile title');
       const Widget subtitle = Text('CupertinoListTile subtitle');
 
@@ -328,7 +329,7 @@ void main() {
       expect(foundTitle.dy < foundSubtitle.dy, isTrue);
     });
 
-    testWidgets('additionalInfo is on the right of title', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('additionalInfo is on the right of title', (WidgetTester tester) async {
       const Widget title = Text('CupertinoListTile');
       const Widget additionalInfo = Text('Not Connected');
 
@@ -352,7 +353,7 @@ void main() {
       expect(foundTitle.dx < foundInfo.dx, isTrue);
     });
 
-    testWidgets('trailing is on the right of additionalInfo', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('trailing is on the right of additionalInfo', (WidgetTester tester) async {
       const Widget title = Text('CupertinoListTile');
       const Widget additionalInfo = Text('Not Connected');
       const Widget trailing = CupertinoListTileChevron();
@@ -380,7 +381,7 @@ void main() {
   });
 
   group('alignment of widgets for right-to-left', () {
-    testWidgets('leading is on the right of title', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('leading is on the right of title', (WidgetTester tester) async {
       const Widget title = Text('CupertinoListTile');
       const Widget leading = Icon(CupertinoIcons.add);
 
@@ -404,7 +405,7 @@ void main() {
       expect(foundTitle.dx < foundLeading.dx, true);
     });
 
-    testWidgets('subtitle is placed below title and aligned on right', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('subtitle is placed below title and aligned on right', (WidgetTester tester) async {
       const Widget title = Text('CupertinoListTile title');
       const Widget subtitle = Text('CupertinoListTile subtitle');
 
@@ -429,7 +430,7 @@ void main() {
       expect(foundTitle.dy < foundSubtitle.dy, isTrue);
     });
 
-    testWidgets('additionalInfo is on the left of title', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('additionalInfo is on the left of title', (WidgetTester tester) async {
       const Widget title = Text('CupertinoListTile');
       const Widget additionalInfo = Text('Not Connected');
 
@@ -453,7 +454,7 @@ void main() {
       expect(foundTitle.dx > foundInfo.dx, isTrue);
     });
 
-    testWidgets('trailing is on the left of additionalInfo', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('trailing is on the left of additionalInfo', (WidgetTester tester) async {
       const Widget title = Text('CupertinoListTile');
       const Widget additionalInfo = Text('Not Connected');
       const Widget trailing = CupertinoListTileChevron();
@@ -480,7 +481,7 @@ void main() {
     });
   });
 
-  testWidgets('onTap with delay does not throw an exception', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('onTap with delay does not throw an exception', (WidgetTester tester) async {
     const Widget title = Text('CupertinoListTile');
     bool showTile = true;
 
@@ -520,7 +521,7 @@ void main() {
     expect(tester.takeException(), null);
   });
 
-  testWidgets('title does not overflow', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('title does not overflow', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: CupertinoPageScaffold(
@@ -534,7 +535,7 @@ void main() {
     expect(tester.takeException(), null);
   });
 
-  testWidgets('subtitle does not overflow', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('subtitle does not overflow', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: CupertinoPageScaffold(

packages/flutter/test/cupertino/localizations_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('English translations exist for all CupertinoLocalization properties', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('English translations exist for all CupertinoLocalization properties', (WidgetTester tester) async {
     const CupertinoLocalizations localizations = DefaultCupertinoLocalizations();
 
     expect(localizations.datePickerYear(2018), isNotNull);
@@ -36,7 +37,7 @@ void main() {
     expect(localizations.noSpellCheckReplacementsLabel, isNotNull);
   });
 
-  testWidgets('CupertinoLocalizations.of throws', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoLocalizations.of throws', (WidgetTester tester) async {
     final GlobalKey noLocalizationsAvailable = GlobalKey();
     final GlobalKey localizationsAvailable = GlobalKey();
 

packages/flutter/test/cupertino/material/tab_scaffold_test.dart

@@ -7,6 +7,7 @@ import 'dart:typed_data';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../../image_data.dart';
 
@@ -17,9 +18,14 @@ void main() {
     selectedTabs = <int>[];
   });
 
-  testWidgets('Last tab gets focus', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Last tab gets focus', (WidgetTester tester) async {
     // 2 nodes for 2 tabs
-    final List<FocusNode> focusNodes = <FocusNode>[FocusNode(), FocusNode()];
+    final List<FocusNode> focusNodes = <FocusNode>[];
+    for (int i = 0; i < 2; i++) {
+      final FocusNode focusNode = FocusNode();
+      focusNodes.add(focusNode);
+      addTearDown(focusNode.dispose);
+    }
 
     await tester.pumpWidget(
       MaterialApp(
@@ -52,10 +58,13 @@ void main() {
     expect(focusNodes[1].hasFocus, isFalse);
   });
 
-  testWidgets('Do not affect focus order in the route', (WidgetTester tester) async {
-    final List<FocusNode> focusNodes = <FocusNode>[
-      FocusNode(), FocusNode(), FocusNode(), FocusNode(),
-    ];
+  testWidgetsWithLeakTracking('Do not affect focus order in the route', (WidgetTester tester) async {
+    final List<FocusNode> focusNodes = <FocusNode>[];
+    for (int i = 0; i < 4; i++) {
+      final FocusNode focusNode = FocusNode();
+      focusNodes.add(focusNode);
+      addTearDown(focusNode.dispose);
+    }
 
     await tester.pumpWidget(
       MaterialApp(
@@ -118,7 +127,7 @@ void main() {
     );
   });
 
-  testWidgets('Tab bar respects themes', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Tab bar respects themes', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: CupertinoTabScaffold(
@@ -176,7 +185,7 @@ void main() {
     expect(tab2.text.style!.color!.value, CupertinoColors.systemRed.darkColor.value);
   });
 
-  testWidgets('dark mode background color', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('dark mode background color', (WidgetTester tester) async {
     const CupertinoDynamicColor backgroundColor = CupertinoDynamicColor.withBrightness(
       color: Color(0xFF123456),
       darkColor: Color(0xFF654321),
@@ -229,7 +238,7 @@ void main() {
     expect(tabDecoration.color!.value, backgroundColor.darkColor.value);
   });
 
-  testWidgets('Does not lose state when focusing on text input', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Does not lose state when focusing on text input', (WidgetTester tester) async {
     // Regression testing for https://github.com/flutter/flutter/issues/28457.
 
     await tester.pumpWidget(
@@ -275,7 +284,7 @@ void main() {
     expect(find.text("don't lose me"), findsOneWidget);
   });
 
-  testWidgets('textScaleFactor is set to 1.0', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('textScaleFactor is set to 1.0', (WidgetTester tester) async {
     await tester.pumpWidget(
       MaterialApp(
         home: Builder(builder: (BuildContext context) {

packages/flutter/test/cupertino/scrollbar_paint_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 const Color _kScrollbarColor = Color(0x59000000);
 
@@ -13,7 +14,7 @@ const Offset _kGestureOffset = Offset(0, -25);
 const Radius _kScrollbarRadius = Radius.circular(1.5);
 
 void main() {
-  testWidgets('Paints iOS spec', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Paints iOS spec', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Directionality(
         textDirection: TextDirection.ltr,
@@ -51,7 +52,7 @@ void main() {
     ));
   });
 
-  testWidgets('Paints iOS spec with nav bar', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Paints iOS spec with nav bar', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: MediaQuery(
@@ -96,7 +97,7 @@ void main() {
     ));
   });
 
-  testWidgets("should not paint when there isn't enough space", (WidgetTester tester) async {
+  testWidgetsWithLeakTracking("should not paint when there isn't enough space", (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: MediaQuery(

packages/flutter/test/cupertino/slider_test.dart

@@ -9,6 +9,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../widgets/semantics_tester.dart';
 
@@ -32,7 +33,7 @@ void main() {
     return tester.dragFrom(topLeft + const Offset(unit, unit), const Offset(delta, 0.0));
   }
 
-  testWidgets('Slider does not move when tapped (LTR)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Slider does not move when tapped (LTR)', (WidgetTester tester) async {
     final Key sliderKey = UniqueKey();
     double value = 0.0;
 
@@ -68,7 +69,7 @@ void main() {
     expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
   });
 
-  testWidgets('Slider does not move when tapped (RTL)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Slider does not move when tapped (RTL)', (WidgetTester tester) async {
     final Key sliderKey = UniqueKey();
     double value = 0.0;
 
@@ -104,7 +105,7 @@ void main() {
     expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
   });
 
-  testWidgets('Slider calls onChangeStart once when interaction begins', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Slider calls onChangeStart once when interaction begins', (WidgetTester tester) async {
     final Key sliderKey = UniqueKey();
     double value = 0.0;
     int numberOfTimesOnChangeStartIsCalled = 0;
@@ -145,7 +146,7 @@ void main() {
     expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
   });
 
-  testWidgets('Slider calls onChangeEnd once after interaction has ended', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Slider calls onChangeEnd once after interaction has ended', (WidgetTester tester) async {
     final Key sliderKey = UniqueKey();
     double value = 0.0;
     int numberOfTimesOnChangeEndIsCalled = 0;
@@ -186,7 +187,7 @@ void main() {
     expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
   });
 
-  testWidgets('Slider moves when dragged (LTR)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Slider moves when dragged (LTR)', (WidgetTester tester) async {
     final Key sliderKey = UniqueKey();
     double value = 0.0;
     late double startValue;
@@ -240,7 +241,7 @@ void main() {
     expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
   });
 
-  testWidgets('Slider moves when dragged (RTL)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Slider moves when dragged (RTL)', (WidgetTester tester) async {
     final Key sliderKey = UniqueKey();
     double value = 0.0;
     late double startValue;
@@ -294,7 +295,7 @@ void main() {
     expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
   });
 
-  testWidgets('Slider Semantics', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Slider Semantics', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
 
     await tester.pumpWidget(
@@ -358,7 +359,7 @@ void main() {
     semantics.dispose();
   });
 
-  testWidgets('Slider Semantics can be updated', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Slider Semantics can be updated', (WidgetTester tester) async {
     final SemanticsHandle handle = tester.ensureSemantics();
     double value = 0.5;
     await tester.pumpWidget(
@@ -409,7 +410,7 @@ void main() {
     handle.dispose();
   });
 
-  testWidgets('Slider respects themes', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Slider respects themes', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -444,7 +445,7 @@ void main() {
     );
   });
 
-  testWidgets('Themes can be overridden', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Themes can be overridden', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         theme: const CupertinoThemeData(brightness: Brightness.dark),
@@ -463,7 +464,7 @@ void main() {
     );
   });
 
-  testWidgets('Themes can be overridden by dynamic colors', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Themes can be overridden by dynamic colors', (WidgetTester tester) async {
     const CupertinoDynamicColor activeColor = CupertinoDynamicColor(
       color: Color(0x00000001),
       darkColor: Color(0x00000002),
@@ -519,7 +520,7 @@ void main() {
     expect(find.byType(CupertinoSlider), paints..rrect(color: activeColor.highContrastElevatedColor));
   });
 
-  testWidgets('track color is dynamic', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('track color is dynamic', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         theme: const CupertinoThemeData(brightness: Brightness.light),
@@ -567,7 +568,7 @@ void main() {
     );
   });
 
-  testWidgets('Thumb color can be overridden', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Thumb color can be overridden', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -615,7 +616,7 @@ void main() {
     );
   });
 
-  testWidgets('Hovering over Cupertino slider thumb updates cursor to clickable on Web', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Hovering over Cupertino slider thumb updates cursor to clickable on Web', (WidgetTester tester) async {
     final Key sliderKey = UniqueKey();
     double value = 0.0;
 

packages/flutter/test/cupertino/tab_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('Use home', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Use home', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: CupertinoTabView(
@@ -18,7 +19,7 @@ void main() {
     expect(find.text('home'), findsOneWidget);
   });
 
-  testWidgets('Use routes', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Use routes', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: CupertinoTabView(
@@ -32,7 +33,7 @@ void main() {
     expect(find.text('first route'), findsOneWidget);
   });
 
-  testWidgets('Use home and named routes', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Use home and named routes', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: CupertinoTabView(
@@ -58,7 +59,7 @@ void main() {
     expect(find.text('second named route'), findsOneWidget);
   });
 
-  testWidgets('Use onGenerateRoute', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Use onGenerateRoute', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: CupertinoTabView(
@@ -80,7 +81,7 @@ void main() {
     expect(find.text('generated home'), findsOneWidget);
   });
 
-  testWidgets('Use onUnknownRoute', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Use onUnknownRoute', (WidgetTester tester) async {
     late String unknownForRouteCalled;
     await tester.pumpWidget(
       CupertinoApp(
@@ -101,7 +102,7 @@ void main() {
     expect(tester.takeException(), isAssertionError);
   });
 
-  testWidgets('Can use navigatorKey to navigate', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Can use navigatorKey to navigate', (WidgetTester tester) async {
     final GlobalKey<NavigatorState> key = GlobalKey();
     await tester.pumpWidget(
       CupertinoApp(
@@ -122,7 +123,7 @@ void main() {
     expect(find.text('second route'), findsOneWidget);
   });
 
-  testWidgets('Changing the key resets the navigator', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Changing the key resets the navigator', (WidgetTester tester) async {
     final GlobalKey<NavigatorState> key = GlobalKey();
     await tester.pumpWidget(
       CupertinoApp(
@@ -172,7 +173,7 @@ void main() {
     expect(find.text('second route'), findsNothing);
   });
 
-  testWidgets('Throws FlutterError when onUnknownRoute is null', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Throws FlutterError when onUnknownRoute is null', (WidgetTester tester) async {
     final GlobalKey<NavigatorState> key = GlobalKey();
     await tester.pumpWidget(
       CupertinoApp(
@@ -209,7 +210,7 @@ void main() {
     );
   });
 
-  testWidgets('Throws FlutterError when onUnknownRoute returns null', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Throws FlutterError when onUnknownRoute returns null', (WidgetTester tester) async {
     final GlobalKey<NavigatorState> key = GlobalKey<NavigatorState>();
     await tester.pumpWidget(
       CupertinoApp(
@@ -239,7 +240,7 @@ void main() {
     );
   });
 
-  testWidgets('Navigator of CupertinoTabView restores state', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Navigator of CupertinoTabView restores state', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         restorationScopeId: 'app',

packages/flutter/test/cupertino/text_field_restoration_test.dart

@@ -5,12 +5,13 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 const String text = 'Hello World! How are you? Life is good!';
 const String alternativeText = 'Everything is awesome!!';
 
 void main() {
-  testWidgets('CupertinoTextField restoration', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoTextField restoration', (WidgetTester tester) async {
     await tester.pumpWidget(
       const CupertinoApp(
         restorationScopeId: 'app',
@@ -21,7 +22,7 @@ void main() {
     await restoreAndVerify(tester);
   });
 
-  testWidgets('CupertinoTextField restoration with external controller', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoTextField restoration with external controller', (WidgetTester tester) async {
     await tester.pumpWidget(
       const CupertinoApp(
         restorationScopeId: 'app',

packages/flutter/test/cupertino/text_selection_toolbar_button_test.dart

@@ -4,11 +4,12 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
-  testWidgets('can press', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('can press', (WidgetTester tester) async {
     bool pressed = false;
     await tester.pumpWidget(
       CupertinoApp(
@@ -29,7 +30,7 @@ void main() {
     expect(pressed, true);
   });
 
-  testWidgets('background darkens when pressed', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('background darkens when pressed', (WidgetTester tester) async {
     await tester.pumpWidget(
       CupertinoApp(
         home: Center(
@@ -75,7 +76,7 @@ void main() {
     expect(boxDecoration.color, const Color(0x00000000));
   });
 
-  testWidgets('passing null to onPressed disables the button', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('passing null to onPressed disables the button', (WidgetTester tester) async {
     await tester.pumpWidget(
       const CupertinoApp(
         home: Center(

packages/flutter/test/cupertino/text_selection_toolbar_test.dart

@@ -5,6 +5,7 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../widgets/editable_text_utils.dart' show textOffsetToPosition;
 
@@ -106,7 +107,7 @@ void main() {
     );
   }
 
-  testWidgets('chevrons point to the correct side', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('chevrons point to the correct side', (WidgetTester tester) async {
     // Add enough TestBoxes to need 3 pages.
     final List<Widget> children = List<Widget>.generate(15, (int i) => const TestBox());
     await tester.pumpWidget(
@@ -146,7 +147,7 @@ void main() {
     expect(findOverflowBackButton(), overflowBackPaintPattern());
   }, skip: kIsWeb); // Path.combine is not implemented in the HTML backend https://github.com/flutter/flutter/issues/44572
 
-  testWidgets('paginates children if they overflow', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('paginates children if they overflow', (WidgetTester tester) async {
     late StateSetter setState;
     final List<Widget> children = List<Widget>.generate(7, (int i) => const TestBox());
     await tester.pumpWidget(
@@ -241,7 +242,7 @@ void main() {
     expect(findOverflowBackButton(), findsNothing);
   }, skip: kIsWeb); // [intended] We do not use Flutter-rendered context menu on the Web.
 
-  testWidgets('does not paginate if children fit with zero margin', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('does not paginate if children fit with zero margin', (WidgetTester tester) async {
     final List<Widget> children = List<Widget>.generate(7, (int i) => const TestBox());
     final double spacerWidth = 1.0 / tester.view.devicePixelRatio;
     final double dividerWidth = 1.0 / tester.view.devicePixelRatio;
@@ -268,7 +269,7 @@ void main() {
     expect(findOverflowBackButton(), findsNothing);
   }, skip: kIsWeb); // [intended] We do not use Flutter-rendered context menu on the Web.
 
-  testWidgets('positions itself at anchorAbove if it fits', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('positions itself at anchorAbove if it fits', (WidgetTester tester) async {
     late StateSetter setState;
     const double height = _kToolbarHeight;
     const double anchorBelowY = 500.0;
@@ -334,7 +335,7 @@ void main() {
     expect(toolbarY, equals(anchorAboveY - height - _kToolbarContentDistance));
   }, skip: kIsWeb); // [intended] We do not use Flutter-rendered context menu on the Web.
 
-  testWidgets('can create and use a custom toolbar', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('can create and use a custom toolbar', (WidgetTester tester) async {
     final TextEditingController controller = TextEditingController(
       text: 'Select me custom menu',
     );
@@ -369,7 +370,7 @@ void main() {
 
   for (final Brightness? themeBrightness in <Brightness?>[...Brightness.values, null]) {
     for (final Brightness? mediaBrightness in <Brightness?>[...Brightness.values, null]) {
-      testWidgets('draws dark buttons in dark mode and light button in light mode when theme is $themeBrightness and MediaQuery is $mediaBrightness', (WidgetTester tester) async {
+      testWidgetsWithLeakTracking('draws dark buttons in dark mode and light button in light mode when theme is $themeBrightness and MediaQuery is $mediaBrightness', (WidgetTester tester) async {
         await tester.pumpWidget(
           CupertinoApp(
             theme: CupertinoThemeData(
@@ -426,7 +427,7 @@ void main() {
     }
   }
 
-  testWidgets('draws a shadow below the toolbar in light mode', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('draws a shadow below the toolbar in light mode', (WidgetTester tester) async {
     late StateSetter setState;
     const double height = _kToolbarHeight;
     double anchorAboveY = 0.0;

packages/flutter/test/cupertino/theme_test.dart

@@ -5,6 +5,7 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 int buildCount = 0;
 CupertinoThemeData? actualTheme;
@@ -46,7 +47,7 @@ void main() {
     actualIconTheme = null;
   });
 
-  testWidgets('Default theme has defaults', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Default theme has defaults', (WidgetTester tester) async {
     final CupertinoThemeData theme = await testTheme(tester, const CupertinoThemeData());
 
     expect(theme.brightness, isNull);
@@ -55,7 +56,7 @@ void main() {
     expect(theme.applyThemeToAll, false);
   });
 
-  testWidgets('Theme attributes cascade', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Theme attributes cascade', (WidgetTester tester) async {
     final CupertinoThemeData theme = await testTheme(tester, const CupertinoThemeData(
       primaryColor: CupertinoColors.systemRed,
     ));
@@ -63,7 +64,7 @@ void main() {
     expect(theme.textTheme.actionTextStyle.color, isSameColorAs(CupertinoColors.systemRed.color));
   });
 
-  testWidgets('Dependent attribute can be overridden from cascaded value', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Dependent attribute can be overridden from cascaded value', (WidgetTester tester) async {
     final CupertinoThemeData theme = await testTheme(tester, const CupertinoThemeData(
       brightness: Brightness.dark,
       textTheme: CupertinoTextThemeData(
@@ -77,7 +78,7 @@ void main() {
     expect(theme.textTheme.textStyle.color, isSameColorAs(CupertinoColors.black));
   });
 
-  testWidgets(
+  testWidgetsWithLeakTracking(
     'Reading themes creates dependencies',
     (WidgetTester tester) async {
       // Reading the theme creates a dependency.
@@ -118,7 +119,7 @@ void main() {
     },
   );
 
-  testWidgets(
+  testWidgetsWithLeakTracking(
     'copyWith works',
     (WidgetTester tester) async {
       const CupertinoThemeData originalTheme = CupertinoThemeData(
@@ -141,7 +142,7 @@ void main() {
     },
   );
 
-  testWidgets("Theme has default IconThemeData, which is derived from the theme's primary color", (WidgetTester tester) async {
+  testWidgetsWithLeakTracking("Theme has default IconThemeData, which is derived from the theme's primary color", (WidgetTester tester) async {
     const CupertinoDynamicColor primaryColor = CupertinoColors.systemRed;
     const CupertinoThemeData themeData = CupertinoThemeData(primaryColor: primaryColor);
 
@@ -158,7 +159,7 @@ void main() {
     expect(darkColor, isSameColorAs(primaryColor.darkColor));
   });
 
-  testWidgets('IconTheme.of creates a dependency on iconTheme', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('IconTheme.of creates a dependency on iconTheme', (WidgetTester tester) async {
     IconThemeData iconTheme = await testIconTheme(tester, const CupertinoThemeData(primaryColor: CupertinoColors.destructiveRed));
 
     expect(buildCount, 1);
@@ -169,7 +170,7 @@ void main() {
     expect(iconTheme.color, CupertinoColors.activeOrange);
   });
 
-  testWidgets('CupertinoTheme diagnostics', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoTheme diagnostics', (WidgetTester tester) async {
     final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
     const CupertinoThemeData().debugFillProperties(builder);
 
@@ -201,7 +202,7 @@ void main() {
     );
   });
 
-  testWidgets('CupertinoTheme.toStringDeep uses single-line style', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoTheme.toStringDeep uses single-line style', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/47651.
     expect(
       const CupertinoTheme(
@@ -212,7 +213,7 @@ void main() {
     );
   });
 
-  testWidgets('CupertinoThemeData equality', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CupertinoThemeData equality', (WidgetTester tester) async {
     const CupertinoThemeData a = CupertinoThemeData(brightness: Brightness.dark);
     final CupertinoThemeData b = a.copyWith();
     final CupertinoThemeData c = a.copyWith(brightness: Brightness.light);
@@ -235,7 +236,7 @@ void main() {
   }
 
   void dynamicColorsTestGroup() {
-    testWidgets('CupertinoTheme.of resolves colors', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('CupertinoTheme.of resolves colors', (WidgetTester tester) async {
       final CupertinoThemeData data = CupertinoThemeData(brightness: currentBrightness, primaryColor: CupertinoColors.systemRed);
       final CupertinoThemeData theme = await testTheme(tester, data);
 
@@ -243,7 +244,7 @@ void main() {
       colorMatches(theme.primaryColor, CupertinoColors.systemRed);
     });
 
-    testWidgets('CupertinoTheme.of resolves default values', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('CupertinoTheme.of resolves default values', (WidgetTester tester) async {
       const CupertinoDynamicColor primaryColor = CupertinoColors.systemRed;
       final CupertinoThemeData data = CupertinoThemeData(brightness: currentBrightness, primaryColor: primaryColor);