public void UpdateBlabTest()
{
User testUser = new User("*****@*****.**");
string message1 = "You are all free... if you weren't already";
string message2 = "Better clench up Legolas";
Blab blab = new Blab(message1, testUser);
_harness.Add(blab);
blab.Message = message2;
_harness.Update(blab);
var expected = _harness.GetByUserMessage(blab);
var actual = _harness.GetByUserMessage(blab);
Assert.AreEqual(expected.Message, actual.Message);
}