Chapter 7 - 7.4. Test for verifying that SystemTime use the configured TimeSource
Chapter 7 - 7.5. The configurable SystemTime implementation
Chapter 7 - 7.6. HTTP request log-formatter test using faked system time
Chapter 7 - 7.7. HTTP request log formatter implementation using SystemTime
Chapter 7 - 7.8. Nalling down the exact date format