KRV-28472 - PowerFlex E2E Test Fixes

[ChristianAtDell]

Description

Minor changes made to resolve test failures and ensure tests are run when --pflex flag is passed in.

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
dell/csm#1478
dell/csm#1482

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

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

Run e2e test script has been run and passed with --pflex flag.

[JacobGros]

LGTM