@Test
public void testGetURLBackupAddressNoBack() {

    URL url = URL.valueOf("zookeeper://127.0.0.1:" + zkServerPort + "/org.apache.dubbo.registry.RegistryService?application=metadatareport-local-xml-provider2&dubbo=2.0.2&interface=org.apache.dubbo.registry.RegistryService&pid=47418&specVersion=2.7.0-SNAPSHOT&timestamp=1547102428828");
    List<String> stringList = abstractZookeeperTransporter.getURLBackupAddress(url);
    Assertions.assertEquals(stringList.size(), 1);
    Assertions.assertEquals(stringList.get(0), "127.0.0.1:" + zkServerPort);
}