
Heimdl and Devin
Devin reviews the change, Heimdl checks the tests behind it
Two different questions
Devin asks
“Does this change look right?”
Heimdl asks
“If this change were wrong, would a test fail?”
Across the 1 pull request Devin reviewed, the tests missed 77% of the changes
Running both
Keep Devin for review, add Heimdl for proof your tests hold the change
Other comparisons
Missed, the share of changes on the pull requests a reviewer reviewed that no test caught, survived plus uncovered
From Heimdl’s published audits of public pull requests, a reviewer is listed where it commented on the pull request
Heimdl