added a verification step (#662)

* added a verification step

* changed replicas back to 0

docs_user/modules/proc_deploying-backend-services.adoc

@@ -352,9 +352,11 @@ EOF
 
 .Verification
 
-* Verify that MariaDB is running:
+. Verify that MariaDB is running:
 +
 ----
 $ oc get pod openstack-galera-0 -o jsonpath='{.status.phase}{"\n"}'
 $ oc get pod openstack-cell1-galera-0 -o jsonpath='{.status.phase}{"\n"}'
 ----
+
+. Verify that you can access the `OpenStackClient` pod. For more information, see link:{defaultURL}/maintaining_the_red_hat_openstack_services_on_openshift_deployment/assembly_accessing-the-rhoso-cloud#proc_accessing-the-OpenStackClient-pod_cloud-access-admin[Accessing the OpenStackClient pod] in _Maintaining the {rhos_long_noacro} deployment_.