Added CookieCrumble.Xunit3

[glen-84]

Summary of the changes (Less than 80 chars)

• Added CookieCrumble.Xunit3.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.39%. Comparing base (7cb0019) to head (2d9de20).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7846   +/-   ##
=======================================
  Coverage   74.38%   74.39%           
=======================================
  Files        2876     2876           
  Lines      150071   150071           
  Branches    17450    17450           
=======================================
+ Hits       111625   111640   +15     
+ Misses      32630    32614   -16     
- Partials     5816     5817    +1     

Flag	Coverage Δ
unittests	74.39% <ø> (+<0.01%)	⬆️

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