public async Task ManualTest()
        {
            var runner = new XUnitTestRunner(new TestClientFactory(ClientType.DirectLine).GetTestClient(), _logger);

            await runner.SendActivityAsync(new Activity(ActivityTypes.ConversationUpdate));

            await runner.AssertReplyAsync(activity =>
            {
                Assert.Equal(ActivityTypes.Message, activity.Type);
                Assert.Equal("Hello and welcome!", activity.Text);
            });
        }