public void PullFileTestCase()
{
AndroidDriver driver = new AndroidDriver(defaultUri, capabilities);
var data = "wqewdsf232wewqqw443";
server.respondTo ("POST", "/appium/device/pull_file", data);
byte[] result = driver.PullFile ("/pictures/me.jpg");
Assert.AreEqual (result, Convert.FromBase64String(data));
}