Yup this is the worst part of Clean Code. I've seen real-life bugs caused by this kind of refactoring. The best part is that the same commit added unit tests s

Yup this is the worst part of Clean Code. I've seen real-life bugs caused by this kind of refactoring. The best part is that the same commit added unit tests so our coverage grew over the magic 80% bar, but of course unit tests don't usually test for race conditions.