Lesson 1 · A check that can fail · step 4 of 901Read02Break it on purpose03Task 104Task 205Make it fail on the wrong result06Task 307Task 408Recap09TakeawayWorkshop · Task 2 of 4Ask Claude to try the check on a wrong resultLog in to read this lesson. A free account opens the introductory chapter.←Pick the better test of a checkMake it fail on the wrong result→