Test QOL Changes

[rjhancock]

Removes public that isn't needed from class and method definitions.
Segments some tests into individual ones to better clarify what they are for.
Fixes the unit count test to ensure loaded files match processed files.
Removed dead tests.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 29.07%. Comparing base (07a8bb0) to head (f844c90).
Report is 8 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #6001   +/-   ##
=========================================
  Coverage     29.07%   29.07%           
+ Complexity    13958    13956    -2     
=========================================
  Files          2576     2576           
  Lines        267398   267398           
  Branches      47803    47803           
=========================================
+ Hits          77735    77740    +5     
+ Misses       185761   185755    -6     
- Partials       3902     3903    +1     

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