[CVP] Refactor salt client class

Change-Id: I91cfffe1c8d5df0224657ce9e36be9063b56f0b3
Related-PROD: PROD-28981
Related-PROD: PROD-28729
Related-PROD: PROD-28624
Related-PROD: PROD-29286
diff --git a/test_set/cvp-sanity/tests/test_galera_cluster.py b/test_set/cvp-sanity/tests/test_galera_cluster.py
index 676f09b..73f4932 100644
--- a/test_set/cvp-sanity/tests/test_galera_cluster.py
+++ b/test_set/cvp-sanity/tests/test_galera_cluster.py
@@ -3,9 +3,8 @@
 
 def test_galera_cluster_status(local_salt_client):
     gs = local_salt_client.cmd(
-        'galera:*',
-        'cmd.run',
-        ['salt-call mysql.status | grep -A1 wsrep_cluster_size | tail -n1'],
+        tgt='galera:*',
+        param='salt-call mysql.status | grep -A1 wsrep_cluster_size | tail -n1',
         expr_form='pillar')
 
     if not gs: