testing: improving CRCAlgorithmTest

[alxkm]

• Added tests for BER values
• Included tests for small and large message sizes
• Verified message error/correction counters and internal consistency

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.87%. Comparing base (c7af421) to head (6a69311).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6403      +/-   ##
============================================
+ Coverage     74.69%   74.87%   +0.17%     
- Complexity     5461     5482      +21     
============================================
  Files           682      682              
  Lines         19010    19010              
  Branches       3670     3670              
============================================
+ Hits          14199    14233      +34     
+ Misses         4254     4224      -30     
+ Partials        557      553       -4     

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