public void UpdateTweetsFromCurrentTwitterIdShouldRepopulateTweets()
{
_tvm.CurrentTwitterId = "RealTimeWWII";
_tvm.UpdateTweetsFromCurrentTwitterId();
_mock.AssertWasCalled(s => s.GetNextTwentyTweetsFromUserId("RealTimeWWII"));
Assert.IsTrue(_tvm.Tweets.Count() == 1);
}
