ACP2E-2857: fix webapi, integration, static tests' errors

Author: alzota

app/code/Magento/Catalog/Setup/Patch/Data/UpdateDefaultSortyByBackendType.php

@@ -20,6 +20,7 @@
 use Magento\Catalog\Setup\CategorySetupFactory;
 use Magento\Framework\Setup\ModuleDataSetupInterface;
 use Magento\Framework\Setup\Patch\DataPatchInterface;
+use Magento\Framework\Setup\Patch\PatchInterface;
 
 class UpdateDefaultSortyByBackendType implements DataPatchInterface
 {
@@ -49,7 +50,7 @@ public function __construct(
     /**
      * @inheritdoc
      */
-    public function apply()
+    public function apply(): UpdateDefaultSortyByBackendType
     {
         $mediaBackendModel = \Magento\Catalog\Model\Category\Attribute\Backend\DefaultSortby::class;
         /** @var CategorySetup $categorySetup */
@@ -60,6 +61,8 @@ public function apply()
             'backend_model',
             $mediaBackendModel
         );
+
+        return $this;
     }
 
     /**

dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/ProductAttributeTypeTest.php

@@ -156,7 +156,7 @@ public function testComplexAttributeTypeResolver()
             'catalog_product'
         ];
         $attributeTypes = [
-            'String[]',
+            'String',
             'String[]',
             'Int',
             'CatalogInventoryDataStockItemInterface[]',

dev/tests/integration/framework/Magento/TestFramework/ApplicationStateComparator/_files/state-skip-list.php

@@ -314,6 +314,7 @@
         Magento\Catalog\Model\Category\Attribute\Backend\Image\Interceptor::class => null,
         Magento\Catalog\Model\Attribute\Backend\Startdate\Interceptor::class => null,
         Magento\Eav\Model\Entity\Attribute\Backend\Datetime\Interceptor::class => null,
+        Magento\Catalog\Model\Category\Attribute\Backend\DefaultSortby\Interceptor::class => null,
         Magento\Catalog\Model\Category\Attribute\Backend\Sortby\Interceptor::class => null,
         Magento\Catalog\Model\Category\Attribute\Backend\LayoutUpdate\Interceptor::class => null,
         Magento\Catalog\Model\Attribute\Backend\Customlayoutupdate\Interceptor::class => null,

dev/tests/integration/testsuite/Magento/Eav/Model/TypeLocatorTest.php

@@ -193,7 +193,7 @@ public function getExpectedAttributeTypesProvider(): array
                     'custom_design_to' => 'string',
                     'available_sort_by' => 'string[]',
                     'page_layout' => 'string',
-                    'default_sort_by' => 'string[]',
+                    'default_sort_by' => 'string',
                     'filter_price_range' => 'double',
                     'custom_layout_update' => 'string',
                 ]