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AI-Generated Tests: How Many Actually Test Different Behaviors?

This story is from 2026-10-18. It is preserved in the archive; the latest stories are on the live feed.

Why I ran this A coding agent can write a hundred passing tests before you finish your coffee. The test count goes up, the coverage report turns green, and the pull request looks thorough. What nobody tells you is how many of those tests check something the others don't. I maintain vitest-dedup , a…

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  1. 2026-10-18 11:57 · DEV Community — AI
    AI-Generated Tests: How Many Actually Test Different Behaviors?

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