public async Task Create_And_Send_Tweet()
{
// arrange
session.Returns(await Json.FromFile("data\\tweets\\singletweet.txt"));
session.ExpectPost("https://api.twitter.com/1.1/statuses/update.json");
var singletweet = await session.SendTweet("Maybe he'll finally find his keys. #peterfalk");
Assert.IsNotNull(singletweet);
Assert.IsTrue(singletweet.Id == 243145735212777472);
}