Debug Test Failures

When to Use This Skill

Use this skill when users mention:

• "tests are failing"
• "pytest errors"
• "test suite not passing"
• "debug test failures"
• "fix broken tests"
• "tests failing after changes"
• "mock not called"
• "assertion error in tests"
• Any test-related debugging task

What This Skill Does

Provides systematic evidence-based test debugging through 6 mandatory phases: