def test_elevator_movement():
elevator_id = 0
current_floor = 0
el = Elevator(elevator_id, current_floor)
assert el.get_current_floor() == 0
el.set_target_floor(5)
assert el.get_target_floor() == 5
assert el.get_direction() == 1
el.step()
assert el.get_current_floor() == 1
el.step()
el.step()
assert el.get_current_floor() == 3
el.step()
el.step()
assert el.get_current_floor() == 5
print("test_elevator_movement OK")
