test: Don't expect all firewall services to be listed immediately
test: Don't expect all firewall services to be listed immediately

Closes #12825
mvollmer/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,garrett/cockpit,deryni/cockpit,garrett/cockpit,deryni/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,deryni/cockpit,martinpitt/cockpit,cockpituous/cockpit,garrett/cockpit,deryni/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,deryni/cockpit,cockpit-project/cockpit,deryni/cockpit,cockpituous/cockpit,martinpitt/cockpit,cockpituous/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,martinpitt/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,deryni/cockpit,garrett/cockpit,mvollmer/cockpit,martinpitt/cockpit,cockpituous/cockpit,garrett/cockpit,moraleslazaro/cockpit