Fix AsyncWrapperTest timeout and flakiness issues.#38970
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Summary of ChangesHello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request focuses on improving the reliability and performance of the AsyncWrapperTest suite. By significantly reducing artificial sleep delays and adjusting polling intervals, the tests are now less prone to timing out while maintaining their functional verification objectives. Highlights
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Code Review
This pull request aims to speed up AsyncWrapperTest by significantly reducing sleep durations and polling intervals across various test cases. While this improves test execution speed, the reviewer notes that several changes introduce race conditions and flakiness. Specifically, reducing mock processing delays to 10ms and load test sleep times to 50ms may cause tests to fail under heavy load or fast execution. Additionally, the reviewer recommends replacing the loop-counter-based timeout in waitForEmpty with a robust time-based check using System.currentTimeMillis() to prevent premature timeouts.
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Code Review
This pull request optimizes the execution time of AsyncWrapperTest.java by reducing sleep durations, timeout limits, and mock processing times across multiple test cases. In waitForEmpty, the polling interval is reduced to 5ms, and the timeout check is refactored to use system time. A review comment suggests using System.nanoTime() instead of System.currentTimeMillis() to ensure monotonic time measurements and avoid issues with system clock adjustments.
Important
The consumer version of Gemini Code Assist on GitHub is being sunset. Starting June 18, 2026, new organization installations will be blocked, and all code review activity will officially cease on July 17, 2026.
For more details on the timeline and next steps, please review the Help Documentation.
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Assigning reviewers: R: @kennknowles for label java. Note: If you would like to opt out of this review, comment Available commands:
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This pull request was created to address the flaky tests in AsyncWrapperTest.java in which I scaled down the sleep delays to prevent the tests from timing out.
R: @damccorm
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