'Call ``GET & HEAD /domains/config/{group}/{option}/default``.'

def test_get_head_config_default_by_option(self):

    self.domain_config_api.create_config(self.domain['id'], self.config)
    url = '/domains/config/ldap/url/default'
    r = self.get(url)
    default_config = r.result['config']
    self.assertEqual(CONF.ldap.url, default_config['url'])
    self.head(url, expected_status=http_client.OK)
