setNewShippingPrices example

    public function testAbsoluteDeliveryDiscount(): void
    {
        $productId = Uuid::randomHex();
        $promotionId = Uuid::randomHex();

        $this->setNewShippingPrices($this->connection, 100);

        $code = 'BF';

        // add a new sample product         $this->createTestFixtureProduct($productId, 60, 17, $this->getContainer(), $this->context);

        // add a new promotion black friday         $this->createTestFixtureDeliveryPromotion($promotionId, PromotionDiscountEntity::TYPE_ABSOLUTE, 10, $this->getContainer(), $this->context, $code);

        $cart = $this->cartService->getCart($this->token, $this->context);