public void deletechannel()
        {
            FakeChatService fakechat        = new FakeChatService();
            ChatController  _chatcontroller = new ChatController(fakechat);
            var             result          = _chatcontroller.DeleteChannelById("5b8932523f0c56095c70d82d");
            var             notePosted      = result as NoContentResult;

            Assert.Equal(204, notePosted.StatusCode);
        }