install should succeed: cluster operator stability

    The 4.19 PROW CI tests "e2e-gcp-ovn-techpreview" / "e2e-gcp-ovn-techpreview-serial" often met cluster operator openshift-samples not stable, where the success rate is less than 30%. While the corresponding 4.17 and 4.18 tests have more than 97% success rate. 

    for example, 4.19.0-0.nightly-2025-03-15-150336

    Often (>70%)

    1. enable "featureSet: TechPreviewNoUpgrade" in install-config, then "create cluster"    

level=info msg=Waiting up to 30m0s (until 4:21PM UTC) to ensure each cluster operator has finished progressing...
level=error msg=Error checking cluster operator Progressing status: "context deadline exceeded"
level=error msg=These cluster operators were not stable: [openshift-samples]

The cluster operator openshift-samples should turn stable within the 30 minutes, just as all other cluster operators. 

(1) Finally the cluster operator openshift-samples does turn stable, which was after the waiting for 30 minutes timed out. 

(2) "omg get co openshift-samples -o yaml" tells below error condition:

  - lastTransitionTime: '2025-03-15T16:25:07Z'
    message: 'Samples installed at 4.19.0-0.nightly-2025-03-15-150336, with image
      import failures for these imagestreams: postgresql,openshift-service-ca.crt,kube-root-ca.crt;
      last import attempt 2025-03-15 15:51:33 +0000 UTC'
    reason: FailedImageImports
    status: 'False'
    type: Progressing

(3) The test history, where we can see frequent failures: 

https://prow.ci.openshift.org/job-history/gs/test-platform-results/logs/periodic-ci-openshift-release-master-ci-4.19-e2e-gcp-ovn-techpreview

https://prow.ci.openshift.org/job-history/gs/test-platform-results/logs/periodic-ci-openshift-release-master-ci-4.19-e2e-gcp-ovn-techpreview-serial

(4) The must-gather of https://prow.ci.openshift.org/view/gs/test-platform-results/logs/periodic-ci-openshift-release-master-ci-4.19-e2e-gcp-ovn-techpreview/1900927143378948096 is available at https://drive.google.com/file/d/1OTxsm4Hs0SQdTDLL4jVcI0qNrj9K0YHw/view?usp=drive_link