Fix flake in cluster resource quota test

[liggitt]

Fixes #19282

This resolves a long-standing race condition in the first test that was masked by an overly broad output regex that happened to match -o name output prior to the 1.10 rebase

[liggitt]

/assign @deads2k

[deads2k]

Well, there is a cure for laziness it seems. Looks like a lot of trouble though, think I'll leave it for someone else... :)

/lgtm

green button this after it passes test-cmd

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: deads2k, liggitt

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[liggitt]

test/cmd succeeded, merging to unblock the queue

[openshift-ci-robot]

@liggitt: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
ci/openshift-jenkins/gcp	0ba9d95	link	/test gcp

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