@Test
public void newBallIsNotInside() {
Ball ball = new DummyPhysics().createBall();
Goalpost gp = new DummyPhysics().createGoalpost(Direction.NORTH);
assertFalse(gp.isInside(ball));
}
@Test
public void createGoalpost_South() {
Goalpost gp = new DummyPhysics().createGoalpost(Direction.SOUTH);
assertEquals(gp.getFacing(), Direction.SOUTH);
}