'User role list return unauthorized without an X-Auth-Token.'

def test_user_role_list_requires_auth(self):

    path = ('/v2.0/tenants/%(tenant_id)s/users/%(user_id)s/roles' % {'tenant_id': uuid.uuid4().hex, 'user_id': uuid.uuid4().hex})
    r = self.admin_request(path=path, expected_status=http_client.UNAUTHORIZED)
    self.assertValidErrorResponse(r)
