'Updates quota set
For a full list of available parameters, please refer to the official
API reference:
http://developer.openstack.org/api-ref-blockstorage-v1.html#updateQuota'

def update_quota_set(self, tenant_id, **kwargs):

    put_body = jsonutils.dumps({'quota_set': kwargs})
    (resp, body) = self.put(('os-quota-sets/%s' % tenant_id), put_body)
    self.expected_success(200, resp.status)
    body = jsonutils.loads(body)
    return rest_client.ResponseBody(resp, body)
