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Why Do Playwright Tests Pass Locally but Fail in CI/CD?

This story is from 2026-09-19. It is preserved in the archive; the latest stories are on the live feed.

“It works perfectly on my machine.” Every automation engineer has said it. Your Playwright test passes 20 times locally. You push the code. The CI pipeline starts. And suddenly: ❌ Test failed. You run it again locally. ✅ Passed. So, what changed? Usually, the test didn’t suddenly become bad. The en…

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  1. 2026-09-19 08:09 · DEV Community — AI
    Why Do Playwright Tests Pass Locally but Fail in CI/CD?

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