public void TestRemoveAll()
{
//Arrange
BlabAdapter actual = _harness;
Blab blab = new Blab(_message, _testUser);
User mockUser = new User("*****@*****.**");
Blab blabTwo = new Blab(_message, mockUser);
//Act
_harness.Add(blab);
_harness.Add(blabTwo);
_harness.RemoveAll();
//Assert
Assert.AreEqual(_harness.ToString(), actual.ToString());
}