ACPT-1572: Slow saving of stores/websites

- Fix unit test;

Author: adifucan

app/code/Magento/Customer/Test/Unit/Model/Metadata/AttributeMetadataCacheTest.php

@@ -19,6 +19,7 @@
 use Magento\Framework\Serialize\SerializerInterface;
 use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;
 use Magento\Store\Api\Data\StoreInterface;
+use Magento\Store\Model\Store;
 use Magento\Store\Model\StoreManagerInterface;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
@@ -223,7 +224,8 @@ public function testSave(): void
                 [
                     Type::CACHE_TAG,
                     Attribute::CACHE_TAG,
-                    System::CACHE_TAG
+                    System::CACHE_TAG,
+                    Store::CACHE_TAG
                 ]
             );
         $this->attributeMetadataCache->save($entityType, $attributesMetadata, $suffix);