[YUNIKORN-1281] Add e2e tests

[manirajv06]

What is this PR for?

Added e2e tests to cover arbitrary resources support.

What type of PR is it?

• [ ] - Improvement

Todos

• [ ] - Task

What is the Jira issue?

https://issues.apache.org/jira/browse/YUNIKORN-1281

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[bot]]

Codecov Report

Merging #460 (517be84) into master (9fc4e91) will decrease coverage by 0.02%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #460      +/-   ##
==========================================
- Coverage   67.00%   66.97%   -0.03%     
==========================================
  Files          41       41              
  Lines        6767     6767              
==========================================
- Hits         4534     4532       -2     
- Misses       2062     2064       +2     
  Partials      171      171              

Impacted Files	Coverage Δ
pkg/dispatcher/dispatcher.go	74.82% <0.00%> (-1.40%)	:arrow_down:

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more

[manirajv06]

test failures are not related.