Software test quality

Choose the branch that matches the task:

• Existing tests or suite → Review test quality
• Proposed behavior or risk → Choose the test level

Use the tdd skill instead when building a feature or fixing a bug test-first.

Review test quality

Review tests through their public seam: the interface where callers observe behavior. A test should fail when that behavior breaks and survive internal refactors that preserve it.

Apply the Desiderata as design lenses, not a checklist: