public void RunGame_WhenGameIsRunning_CallsGameBuilder()
        {
            // Always go left
            _inputManager.Stub(x => x.GetDirection()).Return(PlayerDirection.Right);
            _inputManager.Stub(x => x.GetYesNoResponse()).Return(false);
            // have to ensure a win or loss or it will run infinitely
            _testGameState.Stub(x => x.HasLost()).Return(true);

            _game.RunGame();

            // Check
            _gameBuilder.AssertWasCalled(x => x.Build(Arg <int> .Is.Anything,
                                                      Arg <int> .Is.Anything, Arg <int> .Is.Anything, Arg <int> .Is.Anything));
        }