ROX-19064: Scanner V4 Automated Tests (Groovy Foundation)

[dcaravel]

Description

First in a series of changes that modify groovy tests to work with both StackRox Scanner and Scanner V4.

Scanner V4 is not enabled yet, this is prep work so that it can be enabled in a future PR.

This PR includes 'foundational' changes that will be the base for future stacked PRs that modify tests.

• The scannerV4Enabled flag is added so that tests can react accordingly, it's populated by querying Feature Flags from Central's API
• The new ScannerV4Integration type will be used by various tests in future PRs.
• Fixes a NullPointerException bug in waitForVulnerabilitiesForImage() that was leading to flakes because retires were not occuring (observed while testing).

User-facing documentation

• CHANGELOG.md is updated OR update is not needed
• documentation PR is created and is linked above OR is not needed

Testing and quality

• the change is production ready: the change is GA, or otherwise the functionality is gated by a feature flag
• CI results are inspected

Automated testing

• modified existing tests

How I validated my change

Against StackROX Scanner these changes will be tested by CI as part of this and subsequent PRs

Against Scanner V4 these changes were validated in #19236

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[dcaravel]

/test all

[rhacs-bot]

Images are ready for the commit at 07257dc.

To use with deploy scripts, first export MAIN_IMAGE_TAG=4.11.x-463-g07257dc4a5.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 49.37%. Comparing base (699eeed) to head (07257dc).

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #19640      +/-   ##
==========================================
- Coverage   49.37%   49.37%   -0.01%     
==========================================
  Files        2742     2742              
  Lines      206921   206921              
==========================================
- Hits       102165   102159       -6     
- Misses      97172    97176       +4     
- Partials     7584     7586       +2     

Flag	Coverage Δ
go-unit-tests	49.37% <ø> (-0.01%)	⬇️

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[dcaravel]

Test name	Commit	Details	Required	Rerun command
ci/prow/gke-qa-e2e-tests	07257dc	link	false	/test gke-qa-e2e-tests

Appears to be a flake unrelated to this PRs changes, image scan failed: error processing image \\\"quay.io/rhacs-eng/qa:struts-app\\\": could not advance in the tar archive: unexpected EOF.

Additionally the previous run succeeded when PR was in draft w/o any changes.

[dcaravel]

/test gke-qa-e2e-tests