Updated openstack/openstack
Project: openstack/nova  e86305635966f258e5b8c91013bc53ab67174945
null
Remove unnecessary stubbing in test_services

Stubs are already set in the setUp method. self.controller also does
not need to be recreated after updating the extensions list.

Change-Id: I372842bba3e4286da922e7d814137cefe4583bf5