@Test
	public void redSettlerCannotMoveOntoRedArcher(){
		Position fromUnit = new Position(0, 3);
		Position toUnit = new Position(0, 4);
		game.createUnit(fromUnit, "archer", Player.RED);
		game.createUnit(toUnit, "archer", Player.RED);
		assertFalse(game.moveUnit(fromUnit, toUnit));
	}