Resolve static tests

Author: glo71317

dev/tests/integration/testsuite/Magento/Catalog/_files/catalog_category_with_missing_image.php

@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 use Magento\Catalog\Model\Category;
 use Magento\Framework\App\Filesystem\DirectoryList;
 use Magento\Framework\Filesystem\Directory\WriteInterface;

dev/tests/integration/testsuite/Magento/Catalog/_files/catalog_category_with_missing_image_rollback.php

@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 use Magento\Catalog\Model\ResourceModel\Category\Collection;
 use Magento\Framework\Registry;
 use Magento\TestFramework\Helper\Bootstrap;

dev/tests/integration/testsuite/Magento/Sales/Model/Order/BackOrderTest.php

@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Sales\Model\Order;
 
 use Magento\Quote\Model\Quote;

dev/tests/integration/testsuite/Magento/Sales/_files/quote_with_backorder.php

@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 \Magento\TestFramework\Helper\Bootstrap::getInstance()->loadArea('frontend');
 

dev/tests/integration/testsuite/Magento/Sales/_files/quote_with_backorder_rollback.php

@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 /** @var \Magento\Framework\Registry $registry */
 $registry = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get(\Magento\Framework\Registry::class);

lib/internal/Magento/Framework/ObjectManager/Helper/SortItems.php

@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Framework\ObjectManager\Helper;