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This PR introduces a TestWidgetsApp utility class that provides a minimal WidgetsApp wrapper for widget tests, replacing direct usage of Directionality widgets. part of: #177415 ## Changes - test_widgets_app.dart - A reusable TestWidgetsApp widget that wraps WidgetsApp with a builder pattern, providing Directionality, MediaQuery, and other app-level widgets that WidgetsApp provides. - gesture_detector_test.dart - Replaced 9 Directionality usages - mouse_region_test.dart - Replaced 13 Directionality usages - opacity_test.dart - Replaced 2 Directionality usages - slivers_evil_test.dart - Replaced 3 Directionality usages and removed redundant MediaQuery wrappers ## Note - This PR updates golden test baselines for opacity_test.dart. ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [ ] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [ ] All existing and new tests are passing.
This directory contains tools and resources that the Flutter team uses during the development of the framework. The tools in this directory should not be necessary for developing Flutter applications, though of course, they may be interesting if you are curious.
The tests in this directory are run in the framework_tests_misc-*
shards.