Updated openstack/openstack
Project: openstack/python-keystoneclient  c0b0009118aca05db5181e46683626797cdac72b

Use token and discovery fixture in identity tests

Replace a bunch of copied token data by using the fixtures available in
client.

Change-Id: Iec2e75cb4ffe9cec0396e9d8ec21a5e3c6816af7