function it_transforms_product_associations_to_array(ProductAssociationInterface $productAssociation, ProductAssociationTypeInterface $productAssociationType, ProductInterface $firstAssociatedProduct, ProductInterface $secondAssociatedProduct)
 {
     $productAssociation->getType()->willReturn($productAssociationType);
     $productAssociation->getAssociatedProducts()->willReturn(new ArrayCollection([$firstAssociatedProduct->getWrappedObject(), $secondAssociatedProduct->getWrappedObject()]));
     $firstAssociatedProduct->getId()->willReturn(7);
     $secondAssociatedProduct->getId()->willReturn(21);
     $productAssociationType->getCode()->willReturn('accessories');
     $this->transform([$productAssociation])->shouldReturn(['accessories' => '7,21']);
 }