test: add tests for increasing test coverage

[ysknsid25]

following PR #1009

before

after

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.56%. Comparing base (a58d7c9) to head (ae47577).
Report is 250 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1021      +/-   ##
==========================================
+ Coverage   77.83%   86.56%   +8.73%     
==========================================
  Files          47       36      -11     
  Lines        4286     2665    -1621     
  Branches      611      701      +90     
==========================================
- Hits         3336     2307    -1029     
+ Misses        933      356     -577     
+ Partials       17        2      -15     

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