Fix not-disposed memory leaks in gesture_config_regression_test.dart #126098
Description
Is there an existing issue for this?
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Steps to reproduce
- Open https://github.com/flutter/flutter/blob/master/packages/flutter/test/gestures/gesture_config_regression_test.dart
- Convert testWidgets to testWidgetsWithLeakTracking
- Run the tests
Parent issue: flutter/devtools#3951
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DevTools related - suite of performance and debugging toolsIssues and PRs related to memory leaks detected by leak_tracker"flutter test", flutter_test, or one of our testsflutter/packages/flutter/gestures repository.flutter/packages/flutter repository. See also f: labels.Issue is closed as already fixed in a newer version