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Fix flaky Playwright tests by systematically reproducing the intermittent failures and categorizing them into Timing/Async, Test Isolation, Environment, or Infrastructure issues to isolate root causes.

Intermittent Playwright test failures in CI are typically caused by environment-specific race conditions, timing issues, or state leaks. Categorizing these failures helps identify whether they stem from async timing, test isolation, environment differences, or infrastructure problems.

Diagnose a failing Playwright test suite by running trace analysis to capture execution details, reproducing the failure, and verifying the stability fix. This structured diagnostic framework guides you through reproduction, trace analysis, and verification steps.

Yes, you need Playwright test runner capabilities to execute traces, run burn-in tests, and verify stability fixes. The Skill applies to end-to-end testing workflows where intermittent failures occur due to timing, isolation, environment, or infrastructure issues.

The best way to isolate race conditions in end-to-end testing is using a systematic taxonomy to categorize failures, followed by reproduction and trace analysis. This isolates environment-specific race conditions or state leaks causing intermittent instability.