Revert "#37796: Fixed static test"

This reverts commit e2d647b.

Author: Indraniks

dev/tests/integration/testsuite/Magento/Directory/Setup/DataInstallerTest.php

@@ -1,9 +1,4 @@
 <?php
-/**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
- */
-declare(strict_types=1);
 
 namespace Magento\Directory\Setup;
 
@@ -28,7 +23,7 @@ class DataInstallerTest extends TestCase
     private $resourceConnection;
 
     /**
-     * @inheritDoc
+     * @return void
      */
     protected function setUp(): void
     {