Testing
In this segment:
- Test Modules (5 minutes)
- Other Types of Tests (10 minutes)
- Useful Crates (3 minutes)
- GoogleTest (5 minutes)
- Mocking (5 minutes)
- Compiler lints and Clippy (5 minutes)
- Exercise: Luhn Algorithm (30 minutes)
This segment should take about 1 hour and 5 minutes