Mingxia Huang

Results 2 issues of Mingxia Huang

This PR registers the cloud-credential-operator test extension. https://github.com/openshift/cloud-credential-operator/pull/886

approved
lgtm
needs-rebase
do-not-merge/hold
jira/valid-reference
verified

- Migrate CCO QE E2E cases from openshift-tests-private into this repo under `test/extend`. - Replace the previous openshift/origin test CLI dependency with a small local CLI wrapper.

do-not-merge/hold
jira/valid-reference