style: include UTAO_JUNIT_ASSERTION_ODDITIES_USE_ASSERT_NULL

[vil02]

Continuation of #5126 and #7222.

• 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 79.08%. Comparing base (ba5ccbe) to head (f3e6301).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7225      +/-   ##
============================================
- Coverage     79.09%   79.08%   -0.01%     
+ Complexity     6973     6972       -1     
============================================
  Files           783      783              
  Lines         22950    22950              
  Branches       4512     4512              
============================================
- Hits          18152    18151       -1     
  Misses         4077     4077              
- Partials        721      722       +1     

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