make the testjob source dir configurable

[bmeng]

What type of PR is this?

feature

What this PR does / Why we need it?

Currently, we have the ocm backplane testjob command to test the script with custom image, but it has to be run under the script dir
Add the new parameter to specify the source dir for the script

Which Jira/Github issue(s) does this PR fix?

Resolves #

Special notes for your reviewer

Pre-checks (if applicable)

• Ran unit tests locally
• Validated the changes in a cluster
• Included documentation changes with PR

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 92.85714% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 48.19%. Comparing base (5e67ca1) to head (b0a1b78).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #367      +/-   ##
==========================================
+ Coverage   47.98%   48.19%   +0.20%     
==========================================
  Files          56       56              
  Lines        4272     4293      +21     
==========================================
+ Hits         2050     2069      +19     
- Misses       1900     1901       +1     
- Partials      322      323       +1     

Files	Coverage Δ
cmd/ocm-backplane/testJob/createTestJob.go	73.44% <92.85%> (+2.29%)	⬆️

[bmeng]

/retest

[bmeng]

/retest

[bmeng]

/retest

[hectorakemp]

Great work @bmeng !
I think only one change is needed for an lgtm from me. We need a test for the negative case of when the specified source dir doesn't exist on the file system. Then it's lgtm!

[openshift-ci]

@bmeng: all tests passed!

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[bmeng]

@hectorakemp thanks for review.
Have added a new function checkDirectory() to ensure the given directory is valid. And related test added.

[hectorakemp]

/lgtm
/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bmeng, hectorakemp

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