How to Check Your Test Can Catch the Bug
This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.
When an agent's PR says "added a regression test, all tests pass", I want to know one thing: would that test have caught the bug? Plenty of them can't. In my own experiments, grading tests that failed on the unfixed code and passed on the upstream fix still accepted every agent patch on two tasks,…
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- 2026-10-21 18:20 · DEV Community — AI
How to Check Your Test Can Catch the Bug