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The AI PR that raised coverage with tests that never fail

This story is from 2026-10-20. It is preserved in the archive; the latest stories are on the live feed.

I keep seeing this in agent-written PRs. The ticket asked for a real fix. The agent also “added tests.” Coverage went up. CI is green. The summary sounds responsible. Then you read the suite and every assertion is on the mock: toHaveBeenCalled , toHaveBeenCalledWith , a stubbed return value. Nothin…

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  1. 2026-10-20 13:34 · DEV Community — AI
    The AI PR that raised coverage with tests that never fail

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