When refactoring tests, some form of mutation coverage [0] would be really nice. Verify that the tests break when the underlying code changes. [0] https://en.w

When refactoring tests, some form of mutation coverage [0] would be really nice. Verify that the tests break when the underlying code changes. [0] https://en.wikipedia.org/wiki/Mutation_testing https://en.wikipedia.org/wiki/Mutation_testing