Restore commented out test

Author: MarcialRosales

deps/rabbitmq_mqtt/test/auth_SUITE.erl

@@ -69,8 +69,8 @@ sub_groups() ->
        ssl_user_cert_vhost_mapping_takes_precedence_over_port_vhost_mapping
       ]},
      {ssl_user_with_client_id_in_cert_san_dns, [], 
-       [client_id_from_cert_san_dns
-   %     invalid_client_id_from_cert_san_dns
+       [client_id_from_cert_san_dns,
+        invalid_client_id_from_cert_san_dns
        ]},
      {ssl_user_with_client_id_in_cert_san_dns_1, [], 
        [client_id_from_cert_san_dns_1