Cover more test/widgets tests with leak tracking #5 (flutter#134869)

Author: ksokolovskyi

packages/flutter/test/material/filled_button_test.dart

@@ -1976,9 +1976,7 @@ void main() {
     );
     expect(controller.value, <MaterialState>{MaterialState.disabled});
     expect(count, 1);
-  },
-  leakTrackingTestConfig: LeakTrackingTestConfig.debugNotDisposed(),
-  );
+  });
 
 }
 

packages/flutter/test/material/snack_bar_test.dart

@@ -2544,7 +2544,6 @@ void main() {
   });
 
   testWidgetsWithLeakTracking('Should have only one SnackBar during back swipe navigation',
-  leakTrackingTestConfig: LeakTrackingTestConfig.debugNotDisposed(),
   (WidgetTester tester) async {
     const String snackBarText = 'hello snackbar';
     const Key snackTarget = Key('snack-target');

packages/flutter/test/widgets/listener_test.dart

@@ -8,11 +8,12 @@ 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 'gesture_utils.dart';
 
 void main() {
-  testWidgets('Events bubble up the tree', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Events bubble up the tree', (WidgetTester tester) async {
     final List<String> log = <String>[];
 
     await tester.pumpWidget(
@@ -46,7 +47,7 @@ void main() {
     ]));
   });
 
-  testWidgets('Detects hover events from touch devices', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Detects hover events from touch devices', (WidgetTester tester) async {
     final List<String> log = <String>[];
 
     await tester.pumpWidget(
@@ -74,7 +75,7 @@ void main() {
   });
 
   group('transformed events', () {
-    testWidgets('simple offset for touch/signal', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('simple offset for touch/signal', (WidgetTester tester) async {
       final List<PointerEvent> events = <PointerEvent>[];
       final Key key = UniqueKey();
 
@@ -145,7 +146,7 @@ void main() {
       expect(events.single.transform, expectedTransform);
     });
 
-    testWidgets('scaled for touch/signal', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('scaled for touch/signal', (WidgetTester tester) async {
       final List<PointerEvent> events = <PointerEvent>[];
       final Key key = UniqueKey();
 
@@ -222,7 +223,7 @@ void main() {
       expect(events.single.transform, expectedTransform);
     });
 
-    testWidgets('scaled and offset for touch/signal', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('scaled and offset for touch/signal', (WidgetTester tester) async {
       final List<PointerEvent> events = <PointerEvent>[];
       final Key key = UniqueKey();
 
@@ -300,7 +301,7 @@ void main() {
       expect(events.single.transform, expectedTransform);
     });
 
-    testWidgets('rotated for touch/signal', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('rotated for touch/signal', (WidgetTester tester) async {
       final List<PointerEvent> events = <PointerEvent>[];
       final Key key = UniqueKey();
 
@@ -378,9 +379,12 @@ void main() {
     });
   });
 
-  testWidgets("RenderPointerListener's debugFillProperties when default", (WidgetTester tester) async {
+  testWidgetsWithLeakTracking("RenderPointerListener's debugFillProperties when default", (WidgetTester tester) async {
     final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
-    RenderPointerListener().debugFillProperties(builder);
+    final RenderPointerListener renderListener = RenderPointerListener();
+    addTearDown(renderListener.dispose);
+
+    renderListener.debugFillProperties(builder);
 
     final List<String> description = builder.properties
       .where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
@@ -396,18 +400,25 @@ void main() {
     ]);
   });
 
-  testWidgets("RenderPointerListener's debugFillProperties when full", (WidgetTester tester) async {
+  testWidgetsWithLeakTracking("RenderPointerListener's debugFillProperties when full", (WidgetTester tester) async {
     final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
-    RenderPointerListener(
+
+    final RenderErrorBox renderErrorBox = RenderErrorBox();
+    addTearDown(() => renderErrorBox.dispose());
+
+    final RenderPointerListener renderListener = RenderPointerListener(
       onPointerDown: (PointerDownEvent event) {},
       onPointerUp: (PointerUpEvent event) {},
       onPointerMove: (PointerMoveEvent event) {},
       onPointerHover: (PointerHoverEvent event) {},
       onPointerCancel: (PointerCancelEvent event) {},
       onPointerSignal: (PointerSignalEvent event) {},
       behavior: HitTestBehavior.opaque,
-      child: RenderErrorBox(),
-    ).debugFillProperties(builder);
+      child: renderErrorBox,
+    );
+    addTearDown(renderListener.dispose);
+
+    renderListener.debugFillProperties(builder);
 
     final List<String> description = builder.properties
       .where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))

packages/flutter/test/widgets/listview_end_append_test.dart

@@ -5,9 +5,10 @@
 import 'package:flutter/gestures.dart' show DragStartBehavior;
 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('ListView.builder() fixed itemExtent, scroll to end, append, scroll', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder() fixed itemExtent, scroll to end, append, scroll', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/9506
 
     Widget buildFrame(int itemCount) {
@@ -35,7 +36,7 @@ void main() {
     expect(find.text('item 3'), findsOneWidget);
   });
 
-  testWidgets('ListView.builder() fixed itemExtent, scroll to end, append, scroll', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ListView.builder() fixed itemExtent, scroll to end, append, scroll', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/9506
 
     Widget buildFrame(int itemCount) {

packages/flutter/test/widgets/localizations_test.dart

@@ -6,11 +6,12 @@ import 'dart:async';
 
 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() {
   final TestAutomatedTestWidgetsFlutterBinding binding = TestAutomatedTestWidgetsFlutterBinding();
 
-  testWidgets('Locale is available when Localizations widget stops deferring frames', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Locale is available when Localizations widget stops deferring frames', (WidgetTester tester) async {
     final FakeLocalizationsDelegate delegate = FakeLocalizationsDelegate();
     await tester.pumpWidget(Localizations(
       locale: const Locale('fo'),
@@ -37,7 +38,7 @@ void main() {
     expect(find.text('loaded'), findsOneWidget);
   });
 
-  testWidgets('Localizations.localeOf throws when no localizations exist', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Localizations.localeOf throws when no localizations exist', (WidgetTester tester) async {
     final GlobalKey contextKey = GlobalKey(debugLabel: 'Test Key');
     await tester.pumpWidget(Container(key: contextKey));
 
@@ -48,7 +49,7 @@ void main() {
     )));
   });
 
-  testWidgets('Localizations.maybeLocaleOf returns null when no localizations exist', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Localizations.maybeLocaleOf returns null when no localizations exist', (WidgetTester tester) async {
     final GlobalKey contextKey = GlobalKey(debugLabel: 'Test Key');
     await tester.pumpWidget(Container(key: contextKey));