Flaky Tests
2 articles
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Test data in automated tests: a source of flakiness and coupling — and how to prepare it
Test data is one of the most invisible sources of flaky tests, bigger than locators. Isolation, determinism (freeze clock, seeded Faker), uniqueness under parallelism, factories vs fixtures vs API setup, cleanup and anonymizing prod data. A 12-point checklist.
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Why your Selenium tests fail intermittently: 5 reasons for flaky tests
Flaky tests are the biggest source of distrust in automation. Per the Google Testing Blog, about 1.5% of all green CI runs contained at least one flaky failure. Usually the problem is in the test, not the product.