Fix overly specific test

[benjeffery]

Fixes #100

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.32%. Comparing base (6407cc1) to head (a08722a).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #113   +/-   ##
=======================================
  Coverage   97.32%   97.32%           
=======================================
  Files           6        6           
  Lines         337      337           
  Branches       56       56           
=======================================
  Hits          328      328           
  Misses          7        7           
  Partials        2        2           

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