Adds tests for heathcheck

[elena-kolevska]

Description

Adds tests for the heath check feature

• Code compiles correctly
• Created/updated tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.28%. Comparing base (fc0e9d1) to head (65fd3e4).
Report is 10 commits behind head on main.

❗ Current head 65fd3e4 differs from pull request most recent head efcf238. Consider uploading reports for the commit efcf238 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #681      +/-   ##
==========================================
- Coverage   86.37%   86.28%   -0.09%     
==========================================
  Files          79       82       +3     
  Lines        4094     4170      +76     
==========================================
+ Hits         3536     3598      +62     
- Misses        558      572      +14     

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