Check required field on added endpoint level parameters

[mencnert]

Proposed fix for #429

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.62%. Comparing base (8fd1864) to head (9d9e947).
Report is 35 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #430   +/-   ##
=======================================
  Coverage   99.62%   99.62%           
=======================================
  Files         168      168           
  Lines       22668    22668           
=======================================
  Hits        22584    22584           
  Misses         79       79           
  Partials        5        5           

Flag	Coverage Δ
unittests	99.62% <100.00%> (ø)

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[daveshanley]

LGTM! Thank you.