getOrderItems()) ->toBeEmpty(); $order->addOrderItem($orderItem); $order->addOrderItem($orderItem); expect($order->getOrderItems()) ->toHaveCount(1) ->and($orderItem->getFoodOrder()) ->toBe($order); $order->removeOrderItem($orderItem); expect($order->getOrderItems()) ->toBeEmpty() ->and($orderItem->getFoodOrder()) ->toBeNull(); }) ->covers(FoodOrder::class, OrderItem::class);