Updated openstack/openstack
Project: openstack/python-keystoneclient  e58b8285bfad751a08eec8cf0361bb863b2afaf6

Convert shell tests to requests-mock

This finally gets us rid of the test fakes and will remove the
dependency on _cs_request.

Change-Id: Ibd09db9a09c49bfbcf0ffe1f150d7fe730dd51b7