chore: remove redundant top-level test files

[mwyau]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 61.50%. Comparing base (14ceeff) to head (a01b8a6).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #128   +/-   ##
=======================================
  Coverage   61.50%   61.50%           
=======================================
  Files          29       29           
  Lines        2886     2886           
=======================================
  Hits         1775     1775           
  Misses       1111     1111           

Flag	Coverage Δ
integration	53.91% <ø> (ø)
unit	57.72% <ø> (ø)

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