function it_use_billing_address_for_shipping_by_default()
{
$billingAddress = new Address('Norbert Orzechowicz', 'ul. Floriańska 15', '30-300', 'Kraków', 'PL');
$this->beConstructedWith(CartId::generate(), $billingAddress);
$this->billingAddress()->shouldReturn($billingAddress);
$this->shippingAddress()->shouldReturn($billingAddress);
}