cover more tests with leak tracing (#134834)

packages/flutter/test/semantics/semantics_binding_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/semantics.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('Listeners are called when semantics are turned on with ensureSemantics', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Listeners are called when semantics are turned on with ensureSemantics', (WidgetTester tester) async {
     expect(SemanticsBinding.instance.semanticsEnabled, isFalse);
 
     final List<bool> status = <bool>[];
@@ -43,7 +44,7 @@ void main() {
     expect(SemanticsBinding.instance.semanticsEnabled, isFalse);
   }, semanticsEnabled: false);
 
-  testWidgets('Listeners are called when semantics are turned on by platform', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Listeners are called when semantics are turned on by platform', (WidgetTester tester) async {
     expect(SemanticsBinding.instance.semanticsEnabled, isFalse);
 
     final List<bool> status = <bool>[];
@@ -69,7 +70,7 @@ void main() {
     expect(SemanticsBinding.instance.semanticsEnabled, isFalse);
   }, semanticsEnabled: false);
 
-  testWidgets('SemanticsBinding.ensureSemantics triggers creation of semantics owner.', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SemanticsBinding.ensureSemantics triggers creation of semantics owner.', (WidgetTester tester) async {
     expect(SemanticsBinding.instance.semanticsEnabled, isFalse);
     expect(tester.binding.pipelineOwner.semanticsOwner, isNull);
 

packages/flutter/test/semantics/semantics_elevation_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 '../widgets/semantics_tester.dart';
 
 void main() {
-  testWidgets('SemanticsNodes overlapping in z', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SemanticsNodes overlapping in z', (WidgetTester tester) async {
     // Cards are semantic boundaries that always own their own SemanticNode,
     // PhysicalModels merge their semantics information into parent.
     //
@@ -97,7 +98,7 @@ void main() {
     semantics.dispose();
   });
 
-  testWidgets('SemanticsNodes overlapping in z with switched children', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SemanticsNodes overlapping in z with switched children', (WidgetTester tester) async {
     // Same as 'SemanticsNodes overlapping in z', but the order of children
     // is reversed
 
@@ -173,7 +174,7 @@ void main() {
     semantics.dispose();
   });
 
-  testWidgets('single node thickness', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('single node thickness', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
 
     await tester.pumpWidget(const MaterialApp(
@@ -193,7 +194,7 @@ void main() {
     semantics.dispose();
   });
 
-  testWidgets('force-merge', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('force-merge', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
 
     await tester.pumpWidget(MaterialApp(
@@ -247,7 +248,7 @@ void main() {
     semantics.dispose();
   });
 
-  testWidgets('force-merge with inversed children', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('force-merge with inversed children', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
 
     await tester.pumpWidget(MaterialApp(

packages/flutter/test/semantics/semantics_owner_test.dart

@@ -5,11 +5,12 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/semantics.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../widgets/semantics_tester.dart';
 
 void main() {
-  testWidgets('Performing SemanticsAction.showOnScreen does not crash if node no longer exist', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Performing SemanticsAction.showOnScreen does not crash if node no longer exist', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/100358.
 
     final SemanticsTester semantics = SemanticsTester(tester);

packages/flutter/test/semantics/semantics_update_test.dart

@@ -8,11 +8,12 @@ import 'dart:ui' as ui;
 import 'package:flutter/material.dart';
 import 'package:flutter/semantics.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
   SemanticsUpdateTestBinding();
 
-  testWidgets('Semantics update does not send update for merged nodes.', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Semantics update does not send update for merged nodes.', (WidgetTester tester) async {
     final SemanticsHandle handle = tester.ensureSemantics();
     // Pumps a placeholder to trigger the warm up frame.
     await tester.pumpWidget(
@@ -85,7 +86,7 @@ void main() {
     handle.dispose();
   });
 
-  testWidgets('Semantics update receives attributed text', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Semantics update receives attributed text', (WidgetTester tester) async {
     final SemanticsHandle handle = tester.ensureSemantics();
     // Pumps a placeholder to trigger the warm up frame.
     await tester.pumpWidget(

packages/flutter/test/semantics/traversal_order_test.dart

@@ -4,11 +4,12 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../widgets/semantics_tester.dart';
 
 void main() {
-  testWidgets('Traversal order handles touching elements', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Traversal order handles touching elements', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
     await tester.pumpWidget(
       MaterialApp(