add netchecker addon

Change-Id: I3e7c20323efdc4a05377782a69109eea5c9ac6b1
diff --git a/tests/pillar/master_cluster.sls b/tests/pillar/master_cluster.sls
index 83c8fd3..36cf4d5 100644
--- a/tests/pillar/master_cluster.sls
+++ b/tests/pillar/master_cluster.sls
@@ -19,8 +19,10 @@
         enabled: true
         public_ip: 185.22.97.131
       helm:
-        enabled: False
+        enabled: true
         tiller_image: gcr.io/kubernetes-helm/tiller:v2.2.3
+      netchecker:
+        enabled: true
     admin:
       password: password
       username: admin
@@ -66,6 +68,8 @@
     version: v1.2.4
     namespace:
       kube-system:
-        enabled: True
+        enabled: true
+      netchecker:
+        enabled: true
     hyperkube:
       hash: hnsj0XqABgrSww7Nqo7UVTSZLJUt2XRd