Fix an error in test lbaas driver
Fix an error in test lbaas driver

This patches fix an error in test lbaas driver which caused by
latest change for healthmonitor support.

Change-Id: Ib764c97419bd3c2584ff3060ea1afc3ae2dd56e5

openstack/senlin,tengqm/senlin-container,openstack/senlin,openstack/senlin,stackforge/senlin,stackforge/senlin,tengqm/senlin-container