Mark leak in text_form_field_test.dart. (#130468)

packages/flutter/test/material/text_form_field_test.dart

@@ -12,6 +12,7 @@ import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 
+import '../foundation/leak_tracking.dart';
 import '../rendering/mock_canvas.dart';
 import '../widgets/clipboard_utils.dart';
 import '../widgets/editable_text_utils.dart';
@@ -103,7 +104,7 @@ void main() {
     skip: kIsWeb, // [intended] we don't supply the cut/copy/paste buttons on the web.
   );
 
-  testWidgets('can use the desktop cut/copy/paste buttons on Windows and Linux', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('can use the desktop cut/copy/paste buttons on Windows and Linux', (WidgetTester tester) async {
     final TextEditingController controller = TextEditingController(
       text: 'blah1 blah2',
     );
@@ -247,6 +248,9 @@ void main() {
   },
     variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.linux, TargetPlatform.windows }),
     skip: kIsWeb, // [intended] we don't supply the cut/copy/paste buttons on the web.
+    // TODO(polina-c): remove after fixing
+    // https://github.com/flutter/flutter/issues/130467
+    leakTrackingTestConfig: const LeakTrackingTestConfig(notDisposedAllowList: <String, int?>{'ValueNotifier<_OverlayEntryWidgetState?>': 16}),
   );
 
   testWidgets('the desktop cut/copy/paste buttons are disabled for read-only obscured form fields', (WidgetTester tester) async {