public async Task SendFeedCardTest()
{
var result = await _dingTalkGoClient.SendFeedCardAsync(new FeedCardMessage
{
Items =
{
new FeedCardMessage.FeedCardItem("title1", "http://bing.com",
"https://cn.bing.com/az/hprichbg/rb/TeRewaRewa_ZH-CN9356115127_1920x1080.jpg"),
new FeedCardMessage.FeedCardItem("title2", "http://bing.com",
"https://cn.bing.com/az/hprichbg/rb/TeRewaRewa_ZH-CN9356115127_1920x1080.jpg")
}
});
Assert.True(result.Success);
}