diff --git a/packages/flutter/test/widgets/box_decoration_test.dart b/packages/flutter/test/widgets/box_decoration_test.dart
index 031006439d7..b1abf8d1983 100644
--- a/packages/flutter/test/widgets/box_decoration_test.dart
+++ b/packages/flutter/test/widgets/box_decoration_test.dart
@@ -9,6 +9,7 @@ import 'dart:ui' as ui show Image;
 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';
 
 import '../image_data.dart';
 
@@ -36,7 +37,10 @@ Future<void> main() async {
   AutomatedTestWidgetsFlutterBinding();
   TestImageProvider.image = await decodeImageFromList(Uint8List.fromList(kTransparentImage));
 
-  testWidgets('DecoratedBox handles loading images', (WidgetTester tester) async {
+  testWidgets('DecoratedBox handles loading images',
+  // TODO(polina-c): dispose ImageStreamCompleterHandle, https://github.com/flutter/flutter/issues/145599 [leaks-to-clean]
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(),
+  (WidgetTester tester) async {
     final GlobalKey key = GlobalKey();
     final Completer<void> completer = Completer<void>();
     await tester.pumpWidget(
@@ -59,7 +63,10 @@ Future<void> main() async {
     expect(tester.binding.hasScheduledFrame, isFalse);
   });
 
-  testWidgets('Moving a DecoratedBox', (WidgetTester tester) async {
+  testWidgets('Moving a DecoratedBox',
+  // TODO(polina-c): dispose ImageStreamCompleterHandle, https://github.com/flutter/flutter/issues/145599 [leaks-to-clean]
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(),
+  (WidgetTester tester) async {
     final Completer<void> completer = Completer<void>();
     final Widget subtree = KeyedSubtree(
       key: GlobalKey(),
diff --git a/packages/flutter/test/widgets/context_menu_controller_test.dart b/packages/flutter/test/widgets/context_menu_controller_test.dart
index 1ae40db67d5..13bc2e2b2ba 100644
--- a/packages/flutter/test/widgets/context_menu_controller_test.dart
+++ b/packages/flutter/test/widgets/context_menu_controller_test.dart
@@ -110,6 +110,7 @@ void main() {
     expect(find.byKey(key1), findsNothing);
 
     final ContextMenuController controller = ContextMenuController();
+    addTearDown(controller.remove);
 
     // Instantiating the controller does not shown it.
     await tester.pump();
diff --git a/packages/flutter/test/widgets/image_headers_test.dart b/packages/flutter/test/widgets/image_headers_test.dart
index f00f00fcdae..3da4289f54a 100644
--- a/packages/flutter/test/widgets/image_headers_test.dart
+++ b/packages/flutter/test/widgets/image_headers_test.dart
@@ -7,13 +7,17 @@ import 'dart:io';
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../image_data.dart';
 
 void main() {
   final MockHttpClient client = MockHttpClient();
 
-  testWidgets('Headers', (WidgetTester tester) async {
+  testWidgets('Headers',
+  // TODO(polina-c): dispose ImageStreamCompleterHandle, https://github.com/flutter/flutter/issues/145599 [leaks-to-clean]
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(),
+  (WidgetTester tester) async {
     HttpOverrides.runZoned<Future<void>>(() async {
       await tester.pumpWidget(Image.network(
         'https://www.example.com/images/frame.png',
diff --git a/packages/flutter/test/widgets/image_icon_test.dart b/packages/flutter/test/widgets/image_icon_test.dart
index 0d4709406a9..3d09e8dde6e 100644
--- a/packages/flutter/test/widgets/image_icon_test.dart
+++ b/packages/flutter/test/widgets/image_icon_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 '../painting/mocks_for_image_cache.dart';
 
@@ -20,7 +21,10 @@ void main() {
     );
   });
 
-  testWidgets('ImageIcon sizing - no theme, default size', (WidgetTester tester) async {
+  testWidgets('ImageIcon sizing - no theme, default size',
+  // TODO(polina-c): dispose ImageStreamCompleterHandle, https://github.com/flutter/flutter/issues/145599 [leaks-to-clean]
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(),
+  (WidgetTester tester) async {
     await tester.pumpWidget(
       Center(
         child: ImageIcon(image),
@@ -32,7 +36,10 @@ void main() {
     expect(find.byType(Image), findsOneWidget);
   });
 
-  testWidgets('Icon opacity', (WidgetTester tester) async {
+  testWidgets('Icon opacity',
+  // TODO(polina-c): dispose ImageStreamCompleterHandle, https://github.com/flutter/flutter/issues/145599 [leaks-to-clean]
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(),
+  (WidgetTester tester) async {
     await tester.pumpWidget(
       Center(
         child: IconTheme(
diff --git a/packages/flutter/test/widgets/image_rtl_test.dart b/packages/flutter/test/widgets/image_rtl_test.dart
index 94a19b837bb..f834959d50b 100644
--- a/packages/flutter/test/widgets/image_rtl_test.dart
+++ b/packages/flutter/test/widgets/image_rtl_test.dart
@@ -7,6 +7,7 @@ import 'dart:ui' as ui show Image;
 import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class TestImageProvider extends ImageProvider<TestImageProvider> {
   const TestImageProvider(this.image);
@@ -27,6 +28,9 @@ class TestImageProvider extends ImageProvider<TestImageProvider> {
 }
 
 void main() {
+  // TODO(polina-c): dispose ImageStreamCompleterHandle, https://github.com/flutter/flutter/issues/145599 [leaks-to-clean]
+  LeakTesting.settings = LeakTesting.settings.withIgnoredAll();
+
   late ui.Image testImage;
 
   setUpAll(() async {
diff --git a/packages/flutter/test/widgets/image_test.dart b/packages/flutter/test/widgets/image_test.dart
index 9effebf4874..af15f5c9ad2 100644
--- a/packages/flutter/test/widgets/image_test.dart
+++ b/packages/flutter/test/widgets/image_test.dart
@@ -2066,7 +2066,10 @@ void main() {
     );
   });
 
-  testWidgets('Animated GIFs do not require layout for subsequent frames', (WidgetTester tester) async {
+  testWidgets('Animated GIFs do not require layout for subsequent frames',
+  // TODO(polina-c): clean up leaks, https://github.com/flutter/flutter/issues/134787 [leaks-to-clean]
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(),
+  (WidgetTester tester) async {
     final ui.Codec codec = (await tester.runAsync(() {
       return ui.instantiateImageCodec(Uint8List.fromList(kAnimatedGif));
     }))!;
diff --git a/packages/flutter/test/widgets/obscured_animated_image_test.dart b/packages/flutter/test/widgets/obscured_animated_image_test.dart
index 788d8f2d490..d44a8bad903 100644
--- a/packages/flutter/test/widgets/obscured_animated_image_test.dart
+++ b/packages/flutter/test/widgets/obscured_animated_image_test.dart
@@ -8,6 +8,7 @@ import 'dart:ui' as ui show Image;
 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 '../image_data.dart';
 import '../painting/fake_codec.dart';
@@ -17,7 +18,10 @@ Future<void> main() async {
   final FakeCodec fakeCodec = await FakeCodec.fromData(Uint8List.fromList(kAnimatedGif));
   final FakeImageProvider fakeImageProvider = FakeImageProvider(fakeCodec);
 
-  testWidgets('Obscured image does not animate', (WidgetTester tester) async {
+  testWidgets('Obscured image does not animate',
+  // TODO(polina-c): dispose ImageStreamCompleterHandle, https://github.com/flutter/flutter/issues/145599 [leaks-to-clean]
+  experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(),
+  (WidgetTester tester) async {
     final GlobalKey imageKey = GlobalKey();
     await tester.pumpWidget(
       MaterialApp(