Use Advanceable System Clock in Tests

[trobanga]

Closes #3870

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.45%. Comparing base (87c8602) to head (5c903b9).
⚠️ Report is 26 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #3948    +/-   ##
========================================
  Coverage   96.44%   96.45%            
========================================
  Files         437      437            
  Lines       27316    27417   +101     
  Branches      621      628     +7     
========================================
+ Hits        26346    26445    +99     
  Misses        470      470            
- Partials      500      502     +2     

see 11 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.