Updated openstack/openstack
Project: openstack/python-keystoneclient  81194a1b4f6c597d7c9804eeac72531c1f44b392

Add V2 user roles tests

The cross over between the user manager and the role manager is not
tested. As this will be changed soon re-enforce the current behaviour.

Change-Id: I3f8d8215a10cf09cfaad57ffa359f36d0417fb31