testing-py

Use when writing or fixing Python tests with pytest — especially when the suite is green but bugs still ship, when you must decide where to patch a mocked dependency, when coverage is high but catches nothing, when fixture scope leaks state, or when adding property-based tests for parsers and invariants. NOT browser end-to-end flows (that is e2e-testing), NOT JS/TS unit tests (that is testing-web), NOT Go tests…