Captured traceback:
~~~~~~~~~~~~~~~~~~~
    Traceback (most recent call last):
      File "nova/tests/functional/test_aggregates.py", line 69, in test_cache_images_on_aggregate
        self._add_hosts_to_aggregate()
      File "nova/tests/functional/test_aggregates.py", line 38, in _add_hosts_to_aggregate
        compute_services = [s for s in self.api.get_services()
      File "nova/tests/functional/api/client.py", line 482, in get_services
        return self.api_get(url).body['services']
      File "nova/tests/functional/api/client.py", line 225, in api_get
        return APIResponse(self.api_request(relative_uri, **kwargs))
      File "nova/tests/functional/api/client.py", line 181, in api_request
        base_uri = auth_result['x-server-management-url']
      File "/home/dan/nova/.tox/functional/lib/python2.7/site-packages/requests/structures.py", line 52, in __getitem__
        return self._store[key.lower()][1]
    KeyError: 'x-server-management-url'