Memory leaks clean up 1 (#145691)

packages/flutter/test/widgets/async_lifecycle_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 InvalidOnInitLifecycleWidget extends StatefulWidget {
   const InvalidOnInitLifecycleWidget({super.key});
@@ -46,13 +47,17 @@ class InvalidDidUpdateWidgetLifecycleWidgetState extends State<InvalidDidUpdateW
 }
 
 void main() {
-  testWidgets('async onInit throws FlutterError', (WidgetTester tester) async {
+  testWidgets('async onInit throws FlutterError',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     await tester.pumpWidget(const InvalidOnInitLifecycleWidget());
 
     expect(tester.takeException(), isFlutterError);
   });
 
-  testWidgets('async didUpdateWidget throws FlutterError', (WidgetTester tester) async {
+  testWidgets('async didUpdateWidget throws FlutterError',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     await tester.pumpWidget(const InvalidDidUpdateWidgetLifecycleWidget(color: Colors.green));
     await tester.pumpWidget(const InvalidDidUpdateWidgetLifecycleWidget(color: Colors.red));
 

packages/flutter/test/widgets/dispose_ancestor_lookup_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';
 
 typedef TestCallback = void Function(BuildContext context);
 
@@ -28,7 +29,9 @@ class TestWidgetState extends State<TestWidget> {
 }
 
 void main() {
-  testWidgets('dependOnInheritedWidgetOfExactType() called from dispose() throws error', (WidgetTester tester) async {
+  testWidgets('dependOnInheritedWidgetOfExactType() called from dispose() throws error',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     bool disposeCalled = false;
     await tester.pumpWidget(
       TestWidget((BuildContext context) {
@@ -41,7 +44,9 @@ void main() {
     expect(tester.takeException(), isFlutterError);
   });
 
-  testWidgets('getElementForInheritedWidgetOfExactType() called from dispose() throws error', (WidgetTester tester) async {
+  testWidgets('getElementForInheritedWidgetOfExactType() called from dispose() throws error',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     bool disposeCalled = false;
     await tester.pumpWidget(
       TestWidget((BuildContext context) {
@@ -54,7 +59,9 @@ void main() {
     expect(tester.takeException(), isFlutterError);
   });
 
-  testWidgets('findAncestorWidgetOfExactType() called from dispose() throws error', (WidgetTester tester) async {
+  testWidgets('findAncestorWidgetOfExactType() called from dispose() throws error',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     bool disposeCalled = false;
     await tester.pumpWidget(
       TestWidget((BuildContext context) {
@@ -67,7 +74,9 @@ void main() {
     expect(tester.takeException(), isFlutterError);
   });
 
-  testWidgets('findAncestorStateOfType() called from dispose() throws error', (WidgetTester tester) async {
+  testWidgets('findAncestorStateOfType() called from dispose() throws error',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     bool disposeCalled = false;
     await tester.pumpWidget(
       TestWidget((BuildContext context) {
@@ -80,7 +89,9 @@ void main() {
     expect(tester.takeException(), isFlutterError);
   });
 
-  testWidgets('findAncestorRenderObjectOfType() called from dispose() throws error', (WidgetTester tester) async {
+  testWidgets('findAncestorRenderObjectOfType() called from dispose() throws error',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     bool disposeCalled = false;
     await tester.pumpWidget(
       TestWidget((BuildContext context) {
@@ -93,7 +104,9 @@ void main() {
     expect(tester.takeException(), isFlutterError);
   });
 
-  testWidgets('visitAncestorElements() called from dispose() throws error', (WidgetTester tester) async {
+  testWidgets('visitAncestorElements() called from dispose() throws error',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     bool disposeCalled = false;
     await tester.pumpWidget(
       TestWidget((BuildContext context) {

packages/flutter/test/widgets/draggable_scrollable_sheet_test.dart

@@ -151,7 +151,9 @@ void main() {
     expect(tester.getRect(find.byKey(key)), const Rect.fromLTRB(0.0, 325.0, 800.0, 600.0));
   });
 
-  testWidgets('Invalid snap targets throw assertion errors.', (WidgetTester tester) async {
+  testWidgets('Invalid snap targets throw assertion errors.',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     await tester.pumpWidget(boilerplateWidget(
       null,
       maxChildSize: .8,
@@ -1231,7 +1233,9 @@ void main() {
     expect(controller.pixels, closeTo(.4*screenHeight, precisionErrorTolerance));
   });
 
-  testWidgets('Cannot attach a controller to multiple sheets', (WidgetTester tester) async {
+  testWidgets('Cannot attach a controller to multiple sheets',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final DraggableScrollableController controller = DraggableScrollableController();
     addTearDown(controller.dispose);
     await tester.pumpWidget(Directionality(

packages/flutter/test/widgets/editable_text_test.dart

@@ -11,6 +11,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../widgets/clipboard_utils.dart';
 import 'editable_text_utils.dart';
@@ -9748,7 +9749,9 @@ void main() {
       expect(errorString, contains('Unbalanced call to endBatchEdit'));
     });
 
-     testWidgets('catch unfinished batch edits on disposal', (WidgetTester tester) async {
+     testWidgets('catch unfinished batch edits on disposal',
+     experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+     (WidgetTester tester) async {
       await tester.pumpWidget(buildWidget());
 
       // Connect.
@@ -15346,6 +15349,7 @@ void main() {
       final EditableText editableText = tester.widget(find.byType(EditableText));
       final BuildContext context = tester.firstElement(find.byType(EditableText));
       final ValueNotifier<MagnifierInfo> magnifierInfo = ValueNotifier<MagnifierInfo>(MagnifierInfo.empty);
+      addTearDown(magnifierInfo.dispose);
       expect(
         editableText.magnifierConfiguration.magnifierBuilder(
           context,

packages/flutter/test/widgets/error_widget_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';
 
 void main() {
   testWidgets('ErrorWidget displays actual error when throwing during build', (WidgetTester tester) async {
@@ -37,7 +38,9 @@ void main() {
     expect(find.byKey(container), findsOneWidget);
   });
 
-  testWidgets('when constructing an ErrorWidget due to a build failure throws an error, fail gracefully', (WidgetTester tester) async {
+  testWidgets('when constructing an ErrorWidget due to a build failure throws an error, fail gracefully',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final Key container = UniqueKey();
     await tester.pumpWidget(
       Container(

packages/flutter/test/widgets/framework_test.dart

@@ -448,7 +448,9 @@ void main() {
     );
   });
 
-  testWidgets('GlobalKey duplication 2 - splitting and changing type', (WidgetTester tester) async {
+  testWidgets('GlobalKey duplication 2 - splitting and changing type',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final Key key = GlobalKey(debugLabel: 'problematic');
 
     await tester.pumpWidget(Stack(
@@ -494,7 +496,9 @@ void main() {
     );
   });
 
-  testWidgets('GlobalKey duplication 3 - splitting and changing type', (WidgetTester tester) async {
+  testWidgets('GlobalKey duplication 3 - splitting and changing type',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final Key key = GlobalKey(debugLabel: 'problematic');
     await tester.pumpWidget(Stack(
       textDirection: TextDirection.ltr,
@@ -521,7 +525,9 @@ void main() {
     );
   });
 
-  testWidgets('GlobalKey duplication 4 - splitting and half changing type', (WidgetTester tester) async {
+  testWidgets('GlobalKey duplication 4 - splitting and half changing type',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final Key key = GlobalKey(debugLabel: 'problematic');
     await tester.pumpWidget(Stack(
       textDirection: TextDirection.ltr,
@@ -548,7 +554,9 @@ void main() {
     );
   });
 
-  testWidgets('GlobalKey duplication 5 - splitting and half changing type', (WidgetTester tester) async {
+  testWidgets('GlobalKey duplication 5 - splitting and half changing type',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final Key key = GlobalKey(debugLabel: 'problematic');
     await tester.pumpWidget(Stack(
       textDirection: TextDirection.ltr,
@@ -566,7 +574,9 @@ void main() {
     expect(tester.takeException(), isFlutterError);
   });
 
-  testWidgets('GlobalKey duplication 6 - splitting and not changing type', (WidgetTester tester) async {
+  testWidgets('GlobalKey duplication 6 - splitting and not changing type',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final Key key = GlobalKey(debugLabel: 'problematic');
     await tester.pumpWidget(Stack(
       textDirection: TextDirection.ltr,
@@ -724,7 +734,9 @@ void main() {
     );
   });
 
-  testWidgets('GlobalKey duplication 13 - all kinds of badness at once', (WidgetTester tester) async {
+  testWidgets('GlobalKey duplication 13 - all kinds of badness at once',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final Key key1 = GlobalKey(debugLabel: 'problematic');
     final Key key2 = GlobalKey(debugLabel: 'problematic'); // intentionally the same label
     final Key key3 = GlobalKey(debugLabel: 'also problematic');
@@ -1523,7 +1535,9 @@ void main() {
     });
   });
 
-  testWidgets('A widget whose element has an invalid visitChildren implementation triggers a useful error message', (WidgetTester tester) async {
+  testWidgets('A widget whose element has an invalid visitChildren implementation triggers a useful error message',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final GlobalKey key = GlobalKey();
     await tester.pumpWidget(_WidgetWithNoVisitChildren(_StatefulLeaf(key: key)));
     (key.currentState! as _StatefulLeafState).markNeedsBuild();

packages/flutter/test/widgets/multichildobject_with_keys_test.dart

@@ -5,6 +5,7 @@
 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('Render and element tree stay in sync when keyed children move around', (WidgetTester tester) async {
@@ -79,7 +80,9 @@ void main() {
     );
   });
 
-  testWidgets('Updating a MultiChildRenderObjectElement to have children with duplicated keys throws', (WidgetTester tester) async {
+  testWidgets('Updating a MultiChildRenderObjectElement to have children with duplicated keys throws',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/81541
 
     const ValueKey<int> key1 = ValueKey<int>(1);

packages/flutter/test/widgets/navigator_restoration_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';
 
 void main() {
   testWidgets('Restoration Smoke Test', (WidgetTester tester) async {
@@ -976,7 +977,9 @@ void main() {
     expect(findRoute('p1', count: 0), findsOneWidget);
   });
 
-  testWidgets('Helpful assert thrown all routes in onGenerateInitialRoutes are not restorable', (WidgetTester tester) async {
+  testWidgets('Helpful assert thrown all routes in onGenerateInitialRoutes are not restorable',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     await tester.pumpWidget(
       MaterialApp(
         restorationScopeId: 'material_app',

packages/flutter/test/widgets/overlay_portal_test.dart

@@ -6,6 +6,7 @@ import 'package:flutter/material.dart';
 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';
 
 import 'semantics_tester.dart';
 
@@ -311,7 +312,9 @@ void main() {
       verifyTreeIsClean();
   });
 
-  testWidgets('Throws when the same controller is attached to multiple OverlayPortal', (WidgetTester tester) async {
+  testWidgets('Throws when the same controller is attached to multiple OverlayPortal',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final OverlayPortalController controller = OverlayPortalController(debugLabel: 'local controller');
     late final OverlayEntry entry;
     addTearDown(() { entry.remove(); entry.dispose(); });

packages/flutter/test/widgets/overlay_test.dart

@@ -1550,7 +1550,10 @@ void main() {
     });
   });
 
-  testWidgets('Overlay.wrap', (WidgetTester tester) async {
+  testWidgets('Overlay.wrap',
+  // TODO(ksokolovskyi): dispose OverlayEntry, https://github.com/flutter/flutter/issues/145687 [leaks-to-clean]
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(),
+  (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -1582,7 +1585,10 @@ void main() {
     expect(tester.state(find.byType(Overlay)), same(overlayState));
   });
 
-  testWidgets('Overlay.wrap is sized by child in an unconstrained environment', (WidgetTester tester) async {
+  testWidgets('Overlay.wrap is sized by child in an unconstrained environment',
+  // TODO(ksokolovskyi): dispose OverlayEntry, https://github.com/flutter/flutter/issues/145687 [leaks-to-clean]
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(),
+  (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,

packages/flutter/test/widgets/platform_menu_bar_test.dart

@@ -8,6 +8,7 @@ import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/src/foundation/diagnostics.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
@@ -110,7 +111,9 @@ void main() {
         );
       });
     });
-    testWidgets('asserts when more than one has locked the delegate', (WidgetTester tester) async {
+    testWidgets('asserts when more than one has locked the delegate',
+    experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+    (WidgetTester tester) async {
       await tester.pumpWidget(
         const MaterialApp(
           home: Material(

packages/flutter/test/widgets/selectable_text_test.dart

@@ -18,6 +18,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../impeller_test_helpers.dart';
 import '../widgets/clipboard_utils.dart';
@@ -220,7 +221,9 @@ void main() {
     );
   }
 
-  testWidgets('throw if no Overlay widget exists above', (WidgetTester tester) async {
+  testWidgets('throw if no Overlay widget exists above',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     await tester.pumpWidget(
       const Directionality(
         textDirection: TextDirection.ltr,

packages/flutter/test/widgets/sliver_cross_axis_group_test.dart

@@ -6,6 +6,7 @@ import 'package:flutter/foundation.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/sliver_utils.dart';
 
@@ -325,7 +326,9 @@ void main() {
     expect(renderGroup.geometry!.scrollExtent, equals(300 * 20));
   });
 
-  testWidgets('Assertion error when SliverExpanded is used outside of SliverCrossAxisGroup', (WidgetTester tester) async {
+  testWidgets('Assertion error when SliverExpanded is used outside of SliverCrossAxisGroup',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     final List<FlutterErrorDetails> errors = <FlutterErrorDetails>[];
     final FlutterExceptionHandler? oldHandler = FlutterError.onError;
     FlutterError.onError = (FlutterErrorDetails error) => errors.add(error);

packages/flutter/test/widgets/slotted_render_object_widget_test.dart

@@ -7,6 +7,7 @@ import 'package:flutter/material.dart';
 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';
 
 const Color green = Color(0xFF00FF00);
 const Color yellow = Color(0xFFFFFF00);
@@ -186,7 +187,9 @@ void main() {
     expect(widget2Element, same(tester.element(find.byWidget(widget2))));
   });
 
-  testWidgets('duplicated key error message', (WidgetTester tester) async {
+  testWidgets('duplicated key error message',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     const Widget widget1 = SizedBox(key: ValueKey<String>('widget 1'), height: 10, width: 10);
     const Widget widget2 = SizedBox(key: ValueKey<String>('widget 1'), height: 100, width: 100);
     const Widget widget3 = SizedBox(key: ValueKey<String>('widget 1'), height: 50, width: 50);

packages/flutter/test/widgets/stack_test.dart

@@ -5,6 +5,7 @@
 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';
 
 import '../rendering/rendering_tester.dart' show TestCallbackPainter;
 
@@ -860,7 +861,9 @@ void main() {
     expect(tester.getRect(find.byType(SizedBox).at(8)), const Rect.fromLTWH(0.0,   500.0, 100.0, 100.0));
   });
 
-  testWidgets('Stack error messages', (WidgetTester tester) async {
+  testWidgets('Stack error messages',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     await tester.pumpWidget(
       const Stack(),
     );

packages/flutter/test/widgets/text_test.dart

@@ -9,6 +9,7 @@ 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 'semantics_tester.dart';
 
@@ -96,7 +97,9 @@ void main() {
     expect(largeSize.height, equals(26.0));
   });
 
-  testWidgets("Text throws a nice error message if there's no Directionality", (WidgetTester tester) async {
+  testWidgets("Text throws a nice error message if there's no Directionality",
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     await tester.pumpWidget(const Text('Hello'));
     final String message = tester.takeException().toString();
     expect(message, contains('Directionality'));

packages/flutter/test/widgets/ticker_provider_test.dart

@@ -6,6 +6,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
   testWidgets('TickerMode', (WidgetTester tester) async {
@@ -66,7 +67,9 @@ void main() {
   });
 
   group('TickerProviderStateMixin assertion control test', () {
-    testWidgets('SingleTickerProviderStateMixin create multiple tickers', (WidgetTester tester) async {
+    testWidgets('SingleTickerProviderStateMixin create multiple tickers',
+    experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+    (WidgetTester tester) async {
       const Widget widget = _SingleTickerCreateMultipleTicker();
       await tester.pumpWidget(widget);
       final dynamic exception = tester.takeException();

packages/flutter/test/widgets/tree_shape_test.dart

@@ -7,6 +7,7 @@ import 'dart:ui';
 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 'multi_view_testing.dart';
 
@@ -52,7 +53,9 @@ void main() {
     ));
   });
 
-  testWidgets('A View cannot be a child of a render object widget', (WidgetTester tester) async {
+  testWidgets('A View cannot be a child of a render object widget',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     await tester.pumpWidget(Center(
       child: View(
         view: FakeView(tester.view),
@@ -67,7 +70,9 @@ void main() {
     ));
   });
 
-  testWidgets('The child of a ViewAnchor cannot be a View', (WidgetTester tester) async {
+  testWidgets('The child of a ViewAnchor cannot be a View',
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // leaking by design because of exception
+  (WidgetTester tester) async {
     await tester.pumpWidget(
       ViewAnchor(
         child: View(