@SuppressWarnings("unchecked")
@Test
public void testMockInvokerFromOverride_Invoke_check_ListString_empty() {

    URL url = URL.valueOf("remote://1.2.3.4/" + IHelloService.class.getName())
            .addParameter("getListString.mock", "force:return empty")
            .addParameter("invoke_return_error", "true");
    Invoker<IHelloService> cluster = getClusterInvoker(url);
    //Configured with mock
    RpcInvocation invocation = new RpcInvocation();
    invocation.setMethodName("getListString");
    Result ret = cluster.invoke(invocation);
    Assert.assertEquals(0, ((List<String>) ret.getValue()).size());
}