test: Add expected testSELinuxRestrictedUser messages on centos-8-stream
test: Add expected testSELinuxRestrictedUser messages on centos-8-stream

This has similar package versions as RHEL 8.1.

Closes #13353
moraleslazaro/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,deryni/cockpit,martinpitt/cockpit,martinpitt/cockpit,deryni/cockpit,cockpit-project/cockpit,cockpituous/cockpit,garrett/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,martinpitt/cockpit,cockpit-project/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,deryni/cockpit,moraleslazaro/cockpit,garrett/cockpit,mvollmer/cockpit,cockpituous/cockpit,deryni/cockpit,moraleslazaro/cockpit,garrett/cockpit,deryni/cockpit,cockpit-project/cockpit,cockpituous/cockpit,cockpituous/cockpit,deryni/cockpit,cockpituous/cockpit,mvollmer/cockpit,garrett/cockpit,garrett/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,mvollmer/cockpit,deryni/cockpit,martinpitt/cockpit,mvollmer/cockpit