Migrate tests to full pytest

[wRAR]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.58%. Comparing base (c50d1fd) to head (8a45321).
⚠️ Report is 6 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #102   +/-   ##
=======================================
  Coverage   98.58%   98.58%           
=======================================
  Files           4        4           
  Lines         282      282           
  Branches       38       38           
=======================================
  Hits          278      278           
  Misses          2        2           
  Partials        2        2           

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