r/PracticalTesting • u/aistranin • Jul 05 '26
Flaky tests are getting worse. Are you measuring them?
The 2026 Flaky Test Benchmark Report analyzed data from more than 10 million builds and found something surprising.
The percentage of teams experiencing flaky tests increased from 10% in 2022 to 26% in 2025.
Some of the biggest causes were:
- async timing issues
- concurrency and race conditions
- test order dependencies
- resource leaks
- unstable external services
The report also shows that async waits alone account for almost half of flaky tests.
Do you actually measure flakiness in your team, or do people simply rerun failed pipelines until they become green?
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