Updated openstack/openstack
Project: openstack/keystone  e55216e58d6ebadc91f007581a17554499bada66
null
Cleanup of test_cert_setup tests

- Removed the redundant calls to load backends and fixtures
- Only create a controller in the one test that needs it

Change-Id: I6c068452479ceb23010396f14fe6d155ac954b04