Fix flaky test

[joshuadkitenge]

Description

Add bundle analysis and flaky test detection

Testing instructions

• Review code
• Check Actions build
• Review changes to test coverage
• {more steps here}

Run the CI a couple of times

closes #1135

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.10%. Comparing base (637ac22) to head (cb996a3).
Report is 9 commits behind head on develop.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##           develop    #1239    +/-   ##
=========================================
  Coverage    99.10%   99.10%            
=========================================
  Files           94       94            
  Lines        17527    17527            
  Branches      2167     2978   +811     
=========================================
  Hits         17370    17370            
+ Misses         156      153     -3     
- Partials         1        4     +3     

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[joelvdavies]

Tests appear much more stable 🥳