decapod migration support script / parametrize Ceph custer_name

PROD-16110

Change-Id: Icdd655c2c5e1c99a28bb35410929e744a90d35c7
diff --git a/tests/pillar/ceph_mon_single.sls b/tests/pillar/ceph_mon_single.sls
index a165407..05ed121 100644
--- a/tests/pillar/ceph_mon_single.sls
+++ b/tests/pillar/ceph_mon_single.sls
@@ -1,6 +1,7 @@
 ceph:
   common:
     version: kraken
+    cluster_name: ceph
     config:
       global:
         param1: value1