Sn add tests

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[codecov]

Codecov Report

❌ Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 81.83%. Comparing base (3b2c417) to head (4a04087).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
ops_utils/tdr_utils/tdr_api_utils.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #72      +/-   ##
==========================================
+ Coverage   79.77%   81.83%   +2.06%     
==========================================
  Files          20       20              
  Lines        1958     1960       +2     
==========================================
+ Hits         1562     1604      +42     
+ Misses        396      356      -40     

Flag	Coverage Δ
unittests	81.83% <85.71%> (+2.06%)	⬆️

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