OCPBUGS-86849: test MachineSet scale selector for HPA

[RadekManak]

Backport of #476 to release-4.20.

Fixes OCPBUGS-86849 (clone of OCPBUGS-82584 for release-4.20).

Adds e2e test verifying that status.labelSelector is populated on MachineSet and that HPA can use it to target the MachineSet via the scale subresource.

[openshift-ci-robot]

@RadekManak: This pull request references Jira Issue OCPBUGS-86849, which is invalid:

• expected dependent Jira Issue OCPBUGS-86493 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is POST instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

Backport of #476 to release-4.20.

Fixes OCPBUGS-86849 (clone of OCPBUGS-82584 for release-4.20).

Adds e2e test verifying that status.labelSelector is populated on MachineSet and that HPA can use it to target the MachineSet via the scale subresource.

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[RadekManak]

/testwith openshift/cluster-api-actuator-pkg/release-4.20/e2e-aws-operator openshift/machine-api-operator#1504

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-ci]

@RadekManak: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-azure-operator	7d8a241	link	true	/test e2e-azure-operator
ci/prow/e2e-aws-operator	7d8a241	link	true	/test e2e-aws-operator
ci/prow/e2e-vsphere-operator	7d8a241	link	true	/test e2e-vsphere-operator

Full PR test history. Your PR dashboard.

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