15 files declare their use of ProductAttribute in Commerce Core 8.2

AddToCartFormTest.php in modules/cart/tests/src/Functional/AddToCartFormTest.php

MultipleCartMultipleVariationTypesTest.php in modules/cart/tests/src/Functional/MultipleCartMultipleVariationTypesTest.php

MultipleCartMultipleVariationTypesTest.php in modules/cart/tests/src/FunctionalJavascript/MultipleCartMultipleVariationTypesTest.php

ProductAttributeFieldManagerTest.php in modules/product/tests/src/Kernel/ProductAttributeFieldManagerTest.php

ProductAttributesOverviewFormatterTest.php in modules/product/tests/src/Kernel/ProductAttributesOverviewFormatterTest.php

ProductAttributeTest.php in modules/product/tests/src/Functional/ProductAttributeTest.php

ProductAttributeTestTrait.php in modules/product/tests/src/Traits/ProductAttributeTestTrait.php

ProductAttributeTranslationTest.php in modules/product/tests/src/Functional/ProductAttributeTranslationTest.php

ProductAttributeValueAccessTest.php in modules/product/tests/src/Kernel/ProductAttributeValueAccessTest.php

ProductAttributeValueStorageTest.php in modules/product/tests/src/Kernel/ProductAttributeValueStorageTest.php

ProductMultilingualTest.php in modules/product/tests/src/Kernel/ProductMultilingualTest.php

ProductVariationAttributeMapperTest.php in modules/product/tests/src/Kernel/ProductVariationAttributeMapperTest.php

ProductVariationFieldRendererTest.php in modules/product/tests/src/Kernel/ProductVariationFieldRendererTest.php

ProductVariationGeneratedTitleTest.php in modules/product/tests/src/Kernel/ProductVariationGeneratedTitleTest.php

ProductVariationTest.php in modules/product/tests/src/Kernel/Entity/ProductVariationTest.php