getProductMediaCollection example

$slot->setFieldConfig(new FieldConfigCollection());

        $this->imageSliderResolver->enrich($slot, $resolverContext, $result);

        $imageSliderStruct = $slot->getData();
        static::assertInstanceOf(ImageSliderStruct::class, $imageSliderStruct);
        static::assertEmpty($imageSliderStruct->getSliderItems());
    }

    public function testEnrichWithMappedConfigAndHasCorrectOrder(): void
    {
        $productMediaCollection = $this->getProductMediaCollection();
        $resolverContext = $this->getResolverContext($productMediaCollection);
        $result = $this->getEntitySearchResult($productMediaCollection, $resolverContext);

        $fieldConfig = new FieldConfigCollection();
        $fieldConfig->add(new FieldConfig('sliderItems', FieldConfig::SOURCE_MAPPED, 'product.media'));

        $slot = new CmsSlotEntity();
        $slot->setUniqueIdentifier('id');
        $slot->setType('image-slider');
        $slot->setFieldConfig($fieldConfig);