OCP E2E fixes for Ephemeral Unity and Powerstore

[kumarp20]

Description

This PR aims to address a testing configuration that prevented ephemeral volume tests from running in PowerStore and Unity installations.
This also fixes the operator e2e compile issue introduced by #850 .

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
dell/csm#1678

Checklist:

• I have performed a self-review of my own code to ensure there are no formatting, vetting, linting, or security issues
• I have verified that new and existing unit tests pass locally with my changes
• I have not allowed coverage numbers to degenerate
• I have maintained at least 90% code coverage
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have maintained backward compatibility
• I have executed the relevant end-to-end test scenarios

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also list any relevant details for your test configuration

E2E test script has been tested with arguments "--pstore --no-modules" and "--unity --no-modules" to verify the related test scenarios run and pass.

[prablr79]

LGTM

[AronAtDell]

Approving for CSM 1.13.