This is a clone of issue OCPBUGS-60656. The following is the description of the original issue:
—
(Feel free to update this bug's summary to be more specific.)
Component Readiness has found a potential regression in the following test:

[Suite:openshift/machine-config-operator/disruptive][Suite:openshift/conformance/serial][sig-mco][OCPFeatureGate:PinnedImages][OCPFeatureGate:MachineConfigNodes][Serial] Invalid PIS leads to degraded MCN in a standard Pool [apigroup:machineconfiguration.openshift.io]

Test has a 93.85% pass rate, but 95.00% is required.

Sample (being evaluated) Release: 4.20
Start Time: 2025-08-12T00:00:00Z
End Time: 2025-08-19T16:00:00Z
Success Rate: 93.85%
Successes: 61
Failures: 4
Flakes: 0
Base (historical) Release: 4.19
Start Time: 2025-05-18T00:00:00Z
End Time: 2025-06-17T23:59:59Z
Success Rate: 0.00%
Successes: 0
Failures: 0
Flakes: 0

View the test details report for additional context.

Filed by: dgoodwin@redhat.com