https://ci.wildfly.org/viewType.html?buildTypeId=WF_MainNightlyJobs_StandardLinuxS390SemeruJdk17
https://ci.wildfly.org/viewType.html?buildTypeId=WF_MainNightlyJobs_StandardLinuxS390SemeruJdk21

Failures seem to start at the beginning of tests in the ts.surefire.clustering.ha-infinispan-server execution.

Lots of Connection refused: /127.0.0.1:11222 errors, so my guess is the remote Infinispan isn't starting properly.