Fix unit test to properly handle unordered dicts
Fix unit test to properly handle unordered dicts

This patch fixes the unit tests for test_node. we now  properly
compare the dicts used in node.run_workflow so we dont encounter random
failures due to dict order.

Change-Id: Ie7286f89b86ab853c4227e920a37df648b15e96d

openstack/senlin,openstack/senlin,stackforge/senlin,openstack/senlin,stackforge/senlin