More shuffle, cleanup, reorg ...
Utility functions in CordTestUtils instead of OnosCtrl

Change-Id: I3b2ed69997886b1433409b4c6b8b3d252fcd9fda
diff --git a/src/test/utils/Cluster.py b/src/test/utils/Cluster.py
index b55d4e2..c42ea64 100644
--- a/src/test/utils/Cluster.py
+++ b/src/test/utils/Cluster.py
@@ -7,8 +7,9 @@
 from Channels import Channels, IgmpChannel
 from subscriberDb import SubscriberDB
 import time, monotonic
+from CordTestUtils import get_mac
 from OltConfig import OltConfig
-from OnosCtrl import OnosCtrl, get_mac
+from OnosCtrl import OnosCtrl
 from OnosFlowCtrl import OnosFlowCtrl
 from CordContainer import Container, Onos, Quagga
 from onosclidriver import OnosCliDriver