10 (desired 500) custom search params test

[SergeyGaluzo]

Fixes https://microsofthealth.visualstudio.com/Health/_workitems/edit/185389

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.95%. Comparing base (7f402d5) to head (042dff6).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5435      +/-   ##
==========================================
+ Coverage   76.92%   76.95%   +0.03%     
==========================================
  Files         975      975              
  Lines       35530    35546      +16     
  Branches     5330     5334       +4     
==========================================
+ Hits        27330    27354      +24     
+ Misses       6873     6863      -10     
- Partials     1327     1329       +2     

see 16 files with indirect coverage changes

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