MAGETWO-98947: UPS CGI url gateway to migrate from http to https

- Added strict type declaration in test file;

Author: Aliaksei Yakimovich2

dev/tests/integration/testsuite/Magento/Ups/Model/CarrierTest.php

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