def test_move_forward_upp():
cart = Cart(3, 3, "^")
cart.move_forward()
assert_equal(cart.get_coordinates(), (3, 2), "Expected cart to have moved")
def test_move_forward_right():
cart = Cart(3, 3, ">")
cart.move_forward()
assert_equal(cart.get_coordinates(), (4, 3), "Expected cart to have moved")
