[Unit Tests] - Script Runner API

[clayandgen]

Increases code coverage on Script Runner API to 64.2% (+38.5%).
Some of the code in running_script.rb requires heavy stubbing, looking to address that separately.
running_script.rb is quite a large file, and I was following the convention of One Ruby file -> One Spec file, but if you'd like me to break it out, please let me know!

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
4.7% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.16%. Comparing base (e0fe708) to head (94f8281).
Report is 47 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2060      +/-   ##
==========================================
+ Coverage   77.95%   79.16%   +1.20%     
==========================================
  Files         629      631       +2     
  Lines       47263    47536     +273     
  Branches      754      754              
==========================================
+ Hits        36843    37630     +787     
+ Misses      10337     9823     -514     
  Partials       83       83              

Flag	Coverage Δ
python	84.15% <ø> (+0.10%)	⬆️
ruby-api	71.34% <100.00%> (+12.52%)	⬆️
ruby-backend	82.91% <ø> (+0.07%)	⬆️

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[jmthomas]

This looks awesome and no Sonarqube issues!