Add state for kubernetes federation

Change-Id: I9cc98c0ce874418f2e1fe396aa22be1e9bc13437
diff --git a/tests/pillar/master_cluster.sls b/tests/pillar/master_cluster.sls
index af99ceb..513d6b1 100644
--- a/tests/pillar/master_cluster.sls
+++ b/tests/pillar/master_cluster.sls
@@ -1,6 +1,7 @@
 kubernetes:
   common:
     cluster_domain: cluster.local
+    cluster_name: cluster
     network:
       engine: none
     hyperkube: