refactoring

Author: engcom-Hotel

app/code/Magento/ConfigurableProduct/Block/Plugin/Product/Media/Gallery.php

@@ -56,7 +56,7 @@ public function afterGetOptionsMediaGalleryDataJson(
      * @param Product $product
      * @return array
      */
-    private function getProductGallery($product)
+    private function getProductGallery(Product $product): array
     {
         $result = [];
         $images = $this->getImagesOrderedByPosition($product);
@@ -74,7 +74,7 @@ private function getProductGallery($product)
      * @param Product $product
      * @return array
      */
-    private function getImagesOrderedByPosition($product)
+    private function getImagesOrderedByPosition(Product $product): array
     {
         $imagesCollection = $product->getMediaGalleryImages();
         $images = $imagesCollection->getItems();

app/code/Magento/ConfigurableProduct/Test/Unit/Block/Plugin/Product/Media/GalleryTest.php

@@ -46,8 +46,6 @@ public function testAfterGetOptions()
             ->disableOriginalConstructor()
             ->onlyMethods(['getItems'])
             ->getMock();
-
-
         $galleryMock->expects(($this->any()))->method('getProduct')->willReturn($productMock);
         $productMock->expects($this->once())->method('getTypeId')->willReturn('configurable');
         $productMock->expects($this->once())->method('getTypeInstance')->willReturn($configurableTypeMock);