Don't attach dependencies to search path in unit tests

[IndrajeetPatil]

cf. easystats/easystats#363

[codecov-commenter]

Codecov Report

Merging #280 (a27b30f) into main (02c87c6) will not change coverage.
The diff coverage is n/a.

❗ Current head a27b30f differs from pull request most recent head 64d2731. Consider uploading reports for the commit 64d2731 to get more accurate results

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@           Coverage Diff           @@
##             main     #280   +/-   ##
=======================================
  Coverage   45.12%   45.12%           
=======================================
  Files          65       65           
  Lines        4492     4492           
=======================================
  Hits         2027     2027           
  Misses       2465     2465           

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.