Unverified50% confidenceFactExact time
For one PR, the worker agent's tests, the independent verifier's tests, and the hidden evaluation tests all passed, but the reviewer found while reading the diff that creating two links within the same millisecond would cause the return order to be wrong, and reproduced the bug.
1
Sources
50%
Confidence
Long-term
Relevance
10/9/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedIn the author's test run, the worker agent reported passing tests every time, even in one instance where the independent verifier saw that the tests had failed.72% similarUnverifiedTesting checks whether something runs (interfaces, formats), while evaluation checks how well it performs (factual accuracy, hallucinations, tool selection, task completion rate); the two are different things.69% similarUnverifiedAutomated Program Repair (APR) research shows that even patch generation guided by test suites often suffers from overfitting to test cases, meaning the patch passes existing tests but introduces new errors on uncovered code paths.67% similarUnverifiedThe co-generation test trap refers to the situation where test code and the code under test are generated by the same agent in the same session and may share the same flawed premises, causing tests to pass while the logic is incorrect.67% similarUnverifiedChecksum has auto-heal capability, claiming to distinguish whether a test failure indicates a real bug or an outdated test, and to automatically fix falsely failing tests.66% similar
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