Extend the process of updgrading from Pike to Queens

Related-Prod: #PROD-00000

Change-Id: I8e9e5dc943a0206f351830f89777e080afd513d0
diff --git a/tcp_tests/tests/system/test_mcp_update.py b/tcp_tests/tests/system/test_mcp_update.py
index 01fa7bb..ab38698 100644
--- a/tcp_tests/tests/system/test_mcp_update.py
+++ b/tcp_tests/tests/system/test_mcp_update.py
@@ -91,6 +91,7 @@
     reclass.add_key(repo_param, proposed_repo, "cluster/*/ceph/init.yml")
 
     salt_actions.run_state("*", "saltutil.refresh_pillar")
+    salt_actions.enforce_state("*", "salt.minion")
     salt_actions.enforce_state("I@jenkins:client", "jenkins.client")