feat(tests): Do not include type checking code in coverage report

[antonpirker]

This should not count lines (or rather if blocks) that start with if TYPE_CHECKING in the code coverage report, because this code is only evaluated when checking types with mypy.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.75%. Comparing base (25de71e) to head (27116d3).
Report is 1 commits behind head on master.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3327      +/-   ##
==========================================
+ Coverage   79.49%   79.75%   +0.25%     
==========================================
  Files         133      133              
  Lines       14307    14285      -22     
  Branches     3009     3001       -8     
==========================================
+ Hits        11374    11393      +19     
+ Misses       2089     2070      -19     
+ Partials      844      822      -22     

see 26 files with indirect coverage changes

[sentrivana]

Nice! Didn't know this was possible.

[szokeasaurusrex]

Please add newline at the end of the file here

[szokeasaurusrex]

Thanks for this change, I hope it helps us get more accurate coverage reports!