filterBySalesChannelId example

$productRepository = $this->getContainer()->get('product.repository');
        $criteria = new Criteria([$productAId]);
        $criteria->addAssociation('visibilities');

        /** @var ProductEntity $productA */
        $productA = $productRepository->search($criteria, Context::createDefaultContext())->first();

        static::assertInstanceOf(ProductEntity::class, $productA);

        static::assertInstanceOf(ProductVisibilityCollection::class, $productA->getVisibilities());
        static::assertCount(1, $productA->getVisibilities());
        static::assertNotNull($productA->getVisibilities()->filterBySalesChannelId($salesChannelAId)->first());

        $criteria = new Criteria([$productABId]);
        $criteria->addAssociation('visibilities');

        $productB = $productRepository->search($criteria, Context::createDefaultContext())->first();

        static::assertInstanceOf(ProductEntity::class, $productB);

        static::assertInstanceOf(ProductVisibilityCollection::class, $productB->getVisibilities());
        static::assertCount(2, $productB->getVisibilities());
        static::assertNotNull($productB->getVisibilities()->filterBySalesChannelId($salesChannelAId)->first());
        

$id = Uuid::randomHex();
        $this->upsertProduct([
            'id' => $id,
            'name' => 'foo',
        ], $salesChannelId);

        $context = $salesChannelContext->getContext();

        $criteria = (new Criteria([$id]))->addAssociation('seoUrls');
        $product = $this->productRepository->search($criteria, $context)->first();
        $seoUrls = $product->getSeoUrls()->filterBySalesChannelId($salesChannelId);
        static::assertEmpty($seoUrls);

        $this->upsertProduct([
            'id' => $id,
            'name' => 'foo',
            'customFields' => [
                'foo' => 'bar',
            ],
        ], $salesChannelId);

        $criteria = (new Criteria([$id]))->addAssociation('seoUrls');
        

            ],
        ], Context::createDefaultContext());

        $product = $this->productRepository->search($criteria, $salesChannelContext->getContext())->first();

        static::assertNotNull($product->getMainCategories());
        static::assertInstanceOf(MainCategoryCollection::class, $product->getMainCategories());
        $mainCategories = $product->getMainCategories();
        static::assertCount(1, $mainCategories);

        $mainCategory = $mainCategories->filterBySalesChannelId($salesChannelId)->first();
        static::assertInstanceOf(MainCategoryEntity::class, $mainCategory);
        static::assertEquals($salesChannelId, $mainCategory->getSalesChannelId());
        static::assertEquals($categories->firstId(), $mainCategory->getCategoryId());
    }

    private function createTestProduct(): string
    {
        $id = Uuid::randomHex();
        $payload = [
            'id' => $id,
            'name' => 'foo bar',