Updated openstack/openstack
Project: openstack/oslo-incubator  582226f3ad9aba70fc09129461ce80ae53292697

Remove graduated test and fixtures libraries

The config fixture is now part of oslo.config and the other ones are
part of oslotest. Let's remove them!

Change-Id: I90ab87772bda17a3f7872c41db869c4e278cf57c