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69 Tests. All Passing. Zero Bugs Caught.

This story is from 2026-09-17. It is preserved in the archive; the latest stories are on the live feed.

An AI model wrote 69 tests for a Python module. Every one passed. Together they caught zero of the eleven bugs I had deliberately planted in that module. A second setup, pointed at the specific bugs rather than at the module, used 17 attempts and caught ten. That contrast is the whole project. What…

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  1. 2026-09-17 22:19 · DEV Community — AI
    69 Tests. All Passing. Zero Bugs Caught.

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