Captured traceback:
2016-05-11 14:05:49.299 | ~~~~~~~~~~~~~~~~~~~
2016-05-11 14:05:49.299 |     Traceback (most recent call last):
2016-05-11 14:05:49.299 |       File "tempest/api/identity/admin/v2/test_tenant_negative.py", line 149, in test_tenant_update_request_without_token
2016-05-11 14:05:49.299 |         tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
2016-05-11 14:05:49.299 |       File "tempest/services/identity/v2/json/tenants_client.py", line 36, in create_tenant
2016-05-11 14:05:49.299 |         resp, body = self.post('tenants', post_body)
2016-05-11 14:05:49.299 |       File "tempest/lib/common/rest_client.py", line 259, in post
2016-05-11 14:05:49.299 |         return self.request('POST', url, extra_headers, headers, body)
2016-05-11 14:05:49.299 |       File "tempest/lib/common/rest_client.py", line 641, in request
2016-05-11 14:05:49.300 |         resp, resp_body)
2016-05-11 14:05:49.300 |       File "tempest/lib/common/rest_client.py", line 684, in _error_checker
2016-05-11 14:05:49.300 |         raise exceptions.Unauthorized(resp_body, resp=resp)
2016-05-11 14:05:49.300 |     tempest.lib.exceptions.Unauthorized: Unauthorized
2016-05-11 14:05:49.300 |     Details: {u'code': 401, u'message': u'The request you have made requires authentication.', u'title': u'Unauthorized'}