Downstream specific rolling upgrade tests started failing with 8.6 release due to various reasons (some could be fixed by changing/removing Hot Rod protocol version from the remote cache store definition but it doesn't fix all). We need to take a look on the tests, understand why they are failing and fix them. The scripts used by the job for test definition and execution can be found at https://gitlab.cee.redhat.com/dg-qe/dg-qe/-/tree/master/scripts/rolling-upgrades.