Eliminates flaky tests and race conditions by replacing arbitrary timeouts with intelligent state polling.
This skill provides a standardized pattern for handling asynchronous behavior in testing suites by implementing condition-based waiting. Instead of relying on brittle sleep statements or arbitrary timeouts that cause intermittent failures across different environments, it enables Claude to implement polling logic that waits for specific state changes, events, or file updates. This approach significantly improves test reliability, reduces execution time by finishing as soon as the condition is met, and ensures tests are robust enough for high-load CI/CD pipelines.
Key Features
01Replaces brittle setTimeout and sleep calls with intelligent polling logic
02Reduces CI/CD flakiness by eliminating machine-dependent race conditions
037 GitHub stars
04Standardizes the waitFor pattern across asynchronous test suites
05Includes customizable timeout and polling interval management
06Optimizes execution speed by exiting wait loops immediately upon condition success
Use Cases
01Waiting for specific asynchronous state transitions or file system changes in tests
02Fixing flaky integration tests that fail intermittently under heavy CI load
03Ensuring specific events are emitted or counts are reached before proceeding with assertions
