Why and What to Test

1. What is the main purpose of automated tests as described in the lesson?

To ensure user satisfaction To answer whether a change broke something To improve code readability To optimize database queries

2. Which layer of the test pyramid is described as having the most tests?

UI tests Integration tests End-to-end tests Unit tests

3. According to the lesson, which type of code is suggested NOT to be unit tested?

Business logic Framework code Service layer rules Integration points

4. What is a primary focus when creating unit tests for a system like the one described in the lesson?

Testing all available classes Focusing on business rules Testing the UI for usability Verifying external libraries