fix typo in _get_files_from_dir_cached test

[tiltingpenguin]

Fixes _get_files_from_dir_cached test which was failing because of an attribute error due to a typo

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.16%. Comparing base (db88404) to head (4e5c954).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2392   +/-   ##
=======================================
  Coverage   99.16%   99.16%           
=======================================
  Files          40       40           
  Lines        3101     3101           
  Branches      680      680           
=======================================
  Hits         3075     3075           
  Misses         15       15           
  Partials       11       11           

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