public void ItThrowsAnArgumentNullExceptionIfThePlayerNameIsWhitespace()
{
_createPlayerRequest.Name = " ";
var expectedException = new ArgumentNullException("playerName");
Exception exception = Assert.Throws<ArgumentNullException>(() => _autoMocker.ClassUnderTest.CreatePlayer(_createPlayerRequest, _currentUser));
Assert.AreEqual(expectedException.Message, exception.Message);
}