Unverified50% confidenceFactExact time
In the fixture example, the mutant-state run shows 4 passed, indicating that the new tests in the patch also pass on the unfixed code, so the tests do not observe the fix.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/19/2026
First Seen
Valid until: 1/17/2027
Sources
Catching Weakened Tests with Three Git Worktrees
rss10/19/2026
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