Adds Tenants REST API test and partial fix #4166

[willyborankin]

Description

Added Tenants REST API test

Issues Resolved

partial fix #4166

Check List

• New functionality includes testing
• New functionality has been documented
• Commits are signed per the DCO using --signoff

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[shikharj05]

Thanks @willyborankin for fixing this and improving coverage as well :)

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 65.45%. Comparing base (681a944) to head (24fbb53).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4462      +/-   ##
==========================================
+ Coverage   65.43%   65.45%   +0.01%     
==========================================
  Files         312      312              
  Lines       22037    22038       +1     
  Branches     3557     3557              
==========================================
+ Hits        14421    14425       +4     
+ Misses       5843     5840       -3     
  Partials     1773     1773              

Files	Coverage Δ
...earch/security/dlic/rest/api/TenantsApiAction.java	38.88% <0.00%> (-2.29%)	⬇️

... and 2 files with indirect coverage changes