Refactor test suite for consistency and coverage

[lexicalunit]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.96%. Comparing base (3f71228) to head (62a892f).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2161      +/-   ##
==========================================
+ Coverage   94.61%   99.96%   +5.35%     
==========================================
  Files         206      208       +2     
  Lines       11401    13247    +1846     
  Branches      498      508      +10     
==========================================
+ Hits        10787    13243    +2456     
+ Misses        540        2     -538     
+ Partials       74        2      -72     

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