Add tests to improve code coverage

[macladson]

Adds some additional tests so we can bump up our code coverage numbers.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.60%. Comparing base (bfbaafe) to head (357ef05).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #20       +/-   ##
===========================================
+ Coverage   48.61%   81.60%   +32.99%     
===========================================
  Files           2        3        +1     
  Lines          72       87       +15     
===========================================
+ Hits           35       71       +36     
+ Misses         37       16       -21     

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[michaelsproul]

Looks good, thanks!