| # | title | topic | type | difficulty |
|---|---|---|---|---|
| 1 | Mock, stub, or spy? | Testing Lifecycle | Multiple choice | Medium |
| 2 | The order-dependent test suite | Testing Lifecycle | Multiple choice | Medium |
| 3 | The test that fails on Tuesdays | Testing Lifecycle | Multiple choice | Medium |
| 4 | Test-double machine: which double does the job? | Testing Lifecycle | Runtime machine |
| Medium |
| 5 | Build makeSpy | Testing Lifecycle | Coding | Medium |