use better names than TSub, TExpected, TNotExpected

[robstoll]

same same for type parameters in logic -> creating/transformers

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[codecov]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (0e4cfb5) 92.14% compared to head (cde4f81) 92.14%.

Files	Patch %	Lines
...rium/logic/creating/transformers/SubjectChanger.kt	0.00%	3 Missing ⚠️
...ansformers/impl/BaseTransformationExecutionStep.kt	60.00%	2 Missing ⚠️
...gic/creating/transformers/SubjectChangerBuilder.kt	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1706   +/-   ##
=========================================
  Coverage     92.14%   92.14%           
  Complexity      121      121           
=========================================
  Files           428      428           
  Lines          4671     4671           
  Branches        232      232           
=========================================
  Hits           4304     4304           
  Misses          320      320           
  Partials         47       47           

Flag	Coverage Δ
current	91.93% <90.16%> (ø)
current_windows	90.85% <90.16%> (ø)

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