[YUNIKORN-2797] Increase handlers.go test coverage

[ryankert01]

What is this PR for?

Increase test coverage and some refactor.

What type of PR is it?

• - Bug Fix
• - Improvement
• - Feature
• - Documentation
• - Hot Fix
• - Refactoring

Todos

• - Task

What is the Jira issue?

https://issues.apache.org/jira/browse/YUNIKORN-2797

How should this be tested?

Screenshots (if appropriate)

Questions:

• - The licenses files need update.
• - There is breaking changes for older versions.
• - It needs documentation.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.05%. Comparing base (89348e6) to head (9bddd39).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #970      +/-   ##
==========================================
+ Coverage   80.95%   81.05%   +0.10%     
==========================================
  Files          97       97              
  Lines       12525    12525              
==========================================
+ Hits        10139    10152      +13     
+ Misses       2116     2103      -13     
  Partials      270      270              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[manirajv06]

looks good. Will merge after successful run.

[ryankert01]

I got it! We shouldn't assert statusOK in this function's test because the tested function will not set statusOK in the slope.

[manirajv06]

I got it! We shouldn't assert statusOK in this function's test because the tested function will not set statusOK in the slope.

It should other way around, not equal to StatusInternalServerError. Anyways, not a problem.