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Your CI is green. Your tests might be lying.

This story is from 2026-10-19. It is preserved in the archive; the latest stories are on the live feed.

Your CI is green. Your tests might be lying. I shipped a bug last week that my test suite had "covered." The suite was green. The test just wasn't testing anything anymore. That is the failure mode nobody warns you about: a suite can go green without a single line of production code improving. An A…

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  1. 2026-10-19 12:02 · DEV Community — AI
    Your CI is green. Your tests might be lying.

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