test_authentication_for_disabled_user ERROR

On all recent builds, getting this:

22:26:47 ======================================================================
22:26:47 ERROR: Disabled user's token should not get authenticated
22:26:47 ----------------------------------------------------------------------
22:26:47 Traceback (most recent call last):
22:26:47 File "/opt/stack/tempest/tempest/tests/identity/test_users.py", line 151, in test_authentication_for_disabled_user
22:26:47 self.disable_user(self.data.test_user)
22:26:47 File "/opt/stack/tempest/tempest/tests/identity/base_admin_test.py", line 38, in disable_user
22:26:47 self.client.enable_disable_user(user['id'], False)
22:26:47 File "/opt/stack/tempest/tempest/services/identity/json/admin_client.py", line 155, in enable_disable_user
22:26:47 put_body, self.headers)
22:26:47 File "/opt/stack/tempest/tempest/common/rest_client.py", line 163, in put
22:26:47 return self.request('PUT', url, headers, body)
22:26:47 File "/opt/stack/tempest/tempest/common/rest_client.py", line 226, in request
22:26:47 message = resp_body['computeFault']['message']
22:26:47 KeyError: '\'computeFault\'\n-------------------- >> begin captured logging << --------------------\ntempest.common.rest_client: ERROR: Request URL: http://127.0.0.1:35357/v2.0/users/a692f16dc80547a8a789499cbe7a0f48/enabled\ntempest.common.rest_client: ERROR: Request Body: {"user": {"enabled": false}}\ntempest.common.rest_client: ERROR: Response Headers: {\'date\': \'Wed, 27 Jun 2012 22:26:42 GMT\', \'content-type\': \'application/json\', \'content-length\': \'148\', \'status\': \'500\', \'vary\': \'X-Auth-Token\'}\ntempest.common.rest_client: ERROR: Response Body: {u\'error\': {u\'message\': u"An unexpected error prevented the server from fulfilling your request. \'id\'", u\'code\': 500, u\'title\': u\'Internal Server Error\'}}\n--------------------- >> end captured logging << ---------------------'

Probably due to some recent change in Keystone...