public async Task CanCancelARequest()
        {
            var httpClient = new HttpClientAdapter(HttpMessageHandlerFactory.CreateDefault);
            var request = new Request
            {
                BaseAddress = new Uri("https://github.global.ssl.fastly.net/", UriKind.Absolute),
                Endpoint = new Uri("/images/icons/emoji/poop.png?v=5", UriKind.RelativeOrAbsolute),
                Method = HttpMethod.Get,
                Timeout = TimeSpan.FromMilliseconds(10)
            };

            var response = httpClient.Send(request, CancellationToken.None);

            await Task.Delay(TimeSpan.FromSeconds(2));

            Assert.True(response.IsCanceled);
        }
        public async Task CanDownloadImage()
        {
            var httpClient = new HttpClientAdapter();
            var request = new Request
            {
                BaseAddress = new Uri("https://github.global.ssl.fastly.net/", UriKind.Absolute),
                Endpoint = new Uri("/images/icons/emoji/poop.png?v=5", UriKind.RelativeOrAbsolute),
                AllowAutoRedirect = true,
                Method = HttpMethod.Get
            };

            var imageBytes = await httpClient.Send<byte[]>(request, CancellationToken.None);

            // Spot check some of dem bytes.
            Assert.Equal(137, imageBytes.BodyAsObject[0]);
            Assert.Equal(80, imageBytes.BodyAsObject[1]);
            Assert.Equal(78, imageBytes.BodyAsObject[2]);
            Assert.Equal(130, imageBytes.BodyAsObject.Last());
        }
        public async Task CanDownloadImage()
        {
            var httpClient = new HttpClientAdapter(HttpMessageHandlerFactory.CreateDefault);
            var request = new Request
            {
                BaseAddress = new Uri("https://github.global.ssl.fastly.net/", UriKind.Absolute),
                Endpoint = new Uri("/images/icons/emoji/poop.png?v=5", UriKind.RelativeOrAbsolute),
                Method = HttpMethod.Get
            };

            var response = await httpClient.Send(request, CancellationToken.None);

            // Spot check some of dem bytes.
            var imageBytes = (byte[])response.Body;
            Assert.Equal(137, imageBytes[0]);
            Assert.Equal(80, imageBytes[1]);
            Assert.Equal(78, imageBytes[2]);
            Assert.Equal(130, imageBytes.Last());
        }