public async Task GetBinaryAsync()
{
// Arrange
HttpDownloader httpDownloader = new HttpDownloader();
// Act
byte[] result = await httpDownloader.GetBinary("http://farm4.staticflickr.com/3492/4045844654_fa980e2591.jpg");
// test runner waits for the result...
File.WriteAllBytes("test" + Guid.NewGuid() + ".jpg", result);
// Assert
Assert.True(result.Length > 0);
}