Wait for openstack to finish deploy VM

.gitlab-ci.yml

@@ -90,6 +90,7 @@ test:
       --security-group allow-ssh
       --user-data user_data.txt
       --flavor m1.medium
+      --wait
       ood-knightly)
     - echo NEW_INSTANCE_ID=$NEW_INSTANCE_ID | tee -a instance.env
     - openstack server add floating ip $NEW_INSTANCE_ID $TEST_IP