'Delete domain group configuration.
For a full list of available parameters, please refer to the official
API reference:
http://developer.openstack.org/api-ref/identity/v3/index.html#delete-domain-group-configuration'

def delete_domain_group_config(self, domain_id, group):

    url = ('domains/%s/config/%s' % (domain_id, group))
    (resp, body) = self.delete(url)
    self.expected_success(204, resp.status)
    return rest_client.ResponseBody(resp, body)
