Use new image for kitchen tests

Change-Id: I95d9b3b2ef3949844fe4fca1de5d520aef5396f3
diff --git a/tests/pillar/single40.sls b/tests/pillar/single40.sls
index 008a004..2e8c430 100644
--- a/tests/pillar/single40.sls
+++ b/tests/pillar/single40.sls
@@ -56,6 +56,7 @@
     name: ntw-01
     version: 4.0
     enabled: true
+    config_only: True
     bind:
       address: 127.0.0.1
     analytics:
@@ -115,6 +116,7 @@
     data_dirs:
     - /var/lib/cassandra
     id: 1
+    config_only: True
     analytics:
       members:
       - host: 127.0.0.1