dillon1000/react
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Browse files flush fallbacks in tests (#16240)
In this PR, for tests (specifically, code inside an `act()` scope), we immediately trigger work that would have otherwise required a timeout. This makes it simpler to tests loading/spinner states, and makes tests resilient to changes in React. For some of our tests(specifically, ReactSuspenseWithNoopRenderer-test.internal), we _don't_ want fallbacks to immediately trigger, because we're testing intermediate states and such. Added a feature flag `flushSuspenseFallbacksInTests` to disable this behaviour on a per case basis.
Changed paths10 files
First-parent comparisonpackages/react-dom/src/__tests__/ReactTestUtilsAct-test.js ModifiedM packages/react-reconciler/src/ReactFiberWorkLoop.js ModifiedM packages/react-reconciler/src/__tests__/ReactSuspenseWithNoopRenderer-test.internal.js ModifiedM packages/shared/ReactFeatureFlags.js ModifiedM packages/shared/forks/ReactFeatureFlags.native-fb.js ModifiedM packages/shared/forks/ReactFeatureFlags.native-oss.js ModifiedM packages/shared/forks/ReactFeatureFlags.persistent.js ModifiedM packages/shared/forks/ReactFeatureFlags.test-renderer.js ModifiedM packages/shared/forks/ReactFeatureFlags.test-renderer.www.js ModifiedM packages/shared/forks/ReactFeatureFlags.www.js ModifiedPatch
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