feat: Do not re-export freya-testing

[marc2332]

Closes #665

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.90%. Comparing base (cb10600) to head (ad99e7b).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #669   +/-   ##
=======================================
  Coverage   73.90%   73.90%           
=======================================
  Files         194      194           
  Lines       19951    19951           
=======================================
  Hits        14745    14745           
  Misses       5206     5206           

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