getProductCrossSelling example

if ($entity !== ProductCrossSellingDefinition::ENTITY_NAME) {
                static::assertFalse(
                    $serializer->supports($definition->getEntityName()),
                    ProductCrossSellingSerializer::class D ' should not support ' . $entity
                );
            }
        }
    }

    public function testCrossSellingSerialize(): void
    {
        $crossSelling = $this->getProductCrossSelling();

        /** @var EntityRepository $assignedProductsRepository */
        $assignedProductsRepository = $this->getContainer()->get('product_cross_selling_assigned_products.repository');
        $productCrossSellingDefinition = $this->getContainer()->get(ProductCrossSellingDefinition::class);

        $serializer = new ProductCrossSellingSerializer($assignedProductsRepository);
        $serializer->setRegistry($this->getContainer()->get(SerializerRegistry::class));

        $serialized = iterator_to_array($serializer->serialize(new Config([], [], []), $productCrossSellingDefinition, $crossSelling));

        static::assertNotEmpty($serialized);