Lesson 1Ambiguous FailuresJudging unclear test results and subtle breakdowns.Start2 Micro-lessonsMicro lesson 1Silent Crash in ProductionMicro lesson 2Ambiguous Log Signals
Lesson 2Trade-offs Under PressureBalancing speed, coverage, and risk in testing.Start2 Micro-lessonsMicro lesson 1Coverage vs. SpeedMicro lesson 2Risk of Over-Testing
Lesson 3Long-Term ConsequencesRecognizing delayed effects and compounding errors.Start2 Micro-lessonsMicro lesson 1Ignored Edge CaseMicro lesson 2Accumulated Technical Debt