chore: backport Ginkgo E2E test changes from argocd-operator

[jgwest]

What type of PR is this?
/kind enhancement

What does this PR do / why we need it:
This PR backports changes to E2E test code made on argocd-operator repo.

Have you updated the necessary documentation?

• Documentation update is required by this PR.
• Documentation has been updated.

Which issue(s) this PR fixes:

Fixes #?

Test acceptance criteria:

• Unit Test
• E2E Test

How to test changes / Special notes to the reviewer:

[openshift-ci]

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[jgwest]

/retest

[jgwest]

/retest

[jparsai]

/lgtm

[jgwest]

Thanks for reviewing @jparsai!