Additional unit test for #4949

[willyborankin]

Description

Added additional unit test for the #4949 issue

Testing

[Please provide details of testing done: unit testing, integration testing and manual testing]

Check List

• New functionality includes testing
• New functionality has been documented
• New Roles/Permissions have a corresponding security dashboards plugin PR
• API changes companion pull request created
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.98%. Comparing base (55a4220) to head (6869ecc).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5256      +/-   ##
==========================================
+ Coverage   71.91%   71.98%   +0.06%     
==========================================
  Files         378      378              
  Lines       23562    23560       -2     
  Branches     3630     3629       -1     
==========================================
+ Hits        16945    16959      +14     
+ Misses       4811     4794      -17     
- Partials     1806     1807       +1     

Files with missing lines	Coverage Δ
...rch/security/ssl/config/KeyStoreConfiguration.java	66.66% <100.00%> (-0.87%)	⬇️

... and 3 files with indirect coverage changes

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[cwperks]

TY for adding a test for this that does not rely on hardcoded certs!