Merge remote-tracking branch 'origin/MAGETWO-72863' into PANDA-FIXES-2.3

Author: RuslanKostiv1

dev/tests/integration/testsuite/Magento/CatalogSearch/_files/product_for_search.php

@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 require 'searchable_attribute.php';
 require __DIR__ . '/../../../Magento/Catalog/_files/product_simple.php';

dev/tests/integration/testsuite/Magento/CatalogSearch/_files/product_for_search_rollback.php

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

dev/tests/integration/testsuite/Magento/CatalogSearch/_files/searchable_attribute.php

@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 $objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
 $eavSetupFactory = $objectManager->create(\Magento\Eav\Setup\EavSetupFactory::class);