@Test
    public void vehicleMove(){
        Vehicle v = getVehicle();
        assertNotNull(v);
        v.setPosition(10);
        assertEquals(10, v.getPosition());
        v.move(30);
        assertEquals(10, v.getPosition());
        v.setInertia(0);
        v.move(5);
        assertEquals(5, v.getPosition());
        v.setInertia(2);
        v.setPosition(50);
        for(int i=0; i<5; i++){
            v.move(i+1);   
        }
        assertEquals(38, v.getPosition());
    }