setQuantityStart example

$priceEntity = new ShippingMethodPriceEntity();
            $priceEntity->setUniqueIdentifier(Uuid::randomHex());
            $priceEntity->setCurrencyPrice(new PriceCollection([
                new Price(
                    Defaults::CURRENCY,
                    $price,
                    $price,
                    false
                ),
            ]));
            $priceEntity->setCalculation(DeliveryCalculator::CALCULATION_BY_LINE_ITEM_COUNT);
            $priceEntity->setQuantityStart($quantityStart);
            $priceEntity->setQuantityEnd($quantityStart + 5);
            $prices->add($priceEntity);

            $quantityStart += 5;
        }
        $shippingMethod->setPrices($prices);

        $context = $this->createMock(SalesChannelContext::class);
        $baseContext = Context::createDefaultContext();

        $context->expects(static::atLeastOnce())->method('getContext')->willReturn($baseContext);