diff --git a/tests/pillar/cluster.sls b/tests/pillar/cluster.sls
index da3d86d..b8b0aa5 100644
--- a/tests/pillar/cluster.sls
+++ b/tests/pillar/cluster.sls
@@ -26,6 +26,7 @@
       expiration: 86400
       location: /etc/keystone/fernet-keys/
     notification: true
+    notification_format: cadf
     message_queue:
       engine: rabbitmq
       host: 127.0.0.1
@@ -42,4 +43,4 @@
       - host: 127.0.0.1
         port: 11211
       - host: 127.0.0.1
-        port: 11211
\ No newline at end of file
+        port: 11211