buildPromotionLineItem example

static::assertTrue($this->hasColumn('order_line_item', 'promotion_id'));
    }

    /** * @dataProvider dataProviderPromotion */
    public function testMigrationMigratesPromotionId(bool $promotionExists): void
    {
        $context = Context::createDefaultContext();

        $this->buildPromotionLineItem($context, $promotionExists);

        /** @var EntityRepository<OrderLineItemCollection> $orderLineItemRepository */
        $orderLineItemRepository = $this->getContainer()->get('order_line_item.repository');

        /** @var OrderLineItemEntity|null $lineItem */
        $lineItem = $orderLineItemRepository->search(new Criteria([$this->ids->get('line-item')]), $context)->first();

        static::assertNotNull($lineItem);
        static::assertNull($lineItem->getPromotionId());

        $this->removeColumn();