Check kubectl on kubernetes:master only

Change-Id: I8ae308eb903694feffe65b14f7f857dfaf6b689c
Fixes-Bug: #PROD-26555(PROD:26555)
diff --git a/test_set/cvp_sanity/tests/test_k8s.py b/test_set/cvp_sanity/tests/test_k8s.py
index c3a5ff9..022eb1c 100644
--- a/test_set/cvp_sanity/tests/test_k8s.py
+++ b/test_set/cvp_sanity/tests/test_k8s.py
@@ -73,7 +73,7 @@
 
 def test_k8s_cluster_status(local_salt_client):
     result = local_salt_client.cmd(
-        'kubernetes:pool', 'cmd.run',
+        'kubernetes:master', 'cmd.run',
         ['kubectl cluster-info'],
         expr_form='pillar'
     )