function it_normalizes_value_with_collection_data(SerializerInterface $serializer, ProductValueInterface $value, AttributeInterface $attribute)
 {
     $serializer->implement('Symfony\\Component\\Serializer\\Normalizer\\NormalizerInterface');
     $this->setSerializer($serializer);
     $attribute->getCode()->willReturn('code');
     $attribute->isLocalizable()->willReturn(false);
     $attribute->isScopable()->willReturn(false);
     $price = new ProductPrice();
     $price->setData(42);
     $price->setCurrency('EUR');
     $collection = new ArrayCollection([$price]);
     $value->getData()->willReturn($collection);
     $value->getAttribute()->willReturn($attribute);
     $serializer->normalize($price, 'mongodb_json', [])->willReturn(['data' => 42, 'currency' => 'EUR']);
     $this->normalize($value, 'mongodb_json', [])->shouldReturn(['code' => ['EUR' => ['data' => 42, 'currency' => 'EUR']]]);
 }