Add tests for R4SubmitDataService and tweak docs for class itself.

[lukedegruchy]

• Write new test
• Tweak javadocs

Closes: #601

[github-actions]

Formatting check succeeded!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.91%. Comparing base (83da84e) to head (0e16393).
Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #605      +/-   ##
============================================
+ Coverage     73.81%   73.91%   +0.09%     
  Complexity       19       19              
============================================
  Files           361      361              
  Lines         18974    18974              
  Branches       2532     2532              
============================================
+ Hits          14006    14024      +18     
+ Misses         3611     3591      -20     
- Partials       1357     1359       +2     

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[barhodes]

Removing the unused argument and TODO note about it should get SonarQube passing.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud