Green Tests, Shrinking Surface: A Census That Catches Agent Patches Weakening Their Own Tests
This story is from 2026-10-19. It is preserved in the archive; the latest stories are on the live feed.
A green suite tells you the tests passed. It does not tell you the tests still say what they said yesterday. Agent patches break that assumption more often than human ones, because editing the test is often the cheapest way to make it pass. So measure the test surface, not just the result. This pos…
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- 2026-10-19 06:10 · DEV Community — AI
Green Tests, Shrinking Surface: A Census That Catches Agent Patches Weakening Their Own Tests