def test_actualize(self):
po = PhysicalObject((50, 50))
po.actualize(1)
self.assertEqual(po.v, Vector(0, 0))
po.v = Vector(1, 0)
po.actualize(1)
self.assertEqual(po.pos(), (51, 50))
po.actualize(1)
self.assertEqual(po.pos(), (52, 50))
def test_init(self):
po = PhysicalObject((50, 50))
self.assertEqual(po.pos(), (50, 50))
