Mark CI job trove-scenario-mariadb-single voting

Fix the current CI issue as well.

Change-Id: I7daafa68a03a3bf88c3651b6cab8c58cf5256b29

.zuul.yaml

@@ -19,12 +19,11 @@
         - trove-functional-mysql
         - trove-scenario-mysql-single
         - trove-scenario-mysql-multi
+        - trove-scenario-mariadb-single
         - trove-scenario-postgresql-single:
             voting: false
         - trove-scenario-postgresql-multi:
             voting: false
-        - trove-scenario-mariadb-single:
-            voting: false
         - trove-scenario-mariadb-multi:
             voting: false
         - trove-scenario-redis-single:
@@ -368,7 +367,7 @@
       guest_os_release: xenial
       guest_username: ubuntu
       branch: master
-      dev_node: false
+      dev_mode: false
 
 - job:
     name: publish-trove-guest-image-mysql-ubuntu-xenial-dev

integration/scripts/trovestack

@@ -1311,6 +1311,7 @@ function cmd_gate_tests() {
     sudo iptables -D openstack-INPUT -j REJECT --reject-with icmp-host-prohibited || true
 
     sudo chown -R $(whoami) /etc/trove
+    cd $TROVESTACK_SCRIPTS
 
     local RESTART_TROVE=false
     cmd_kick_start "${DATASTORE_TYPE}" "${RESTART_TROVE}"