Reduce noise in test output

Signed-off-by: Joas Schilling <coding@schilljs.com>

apps/testing/appinfo/app.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 /**
  * @copyright Copyright (c) 2016, ownCloud GmbH.
  *
@@ -21,4 +22,4 @@
  *
  */
 
-$app = new \OCA\Testing\AppInfo\Application();
+$app = \OC::$server->query(\OCA\Testing\AppInfo\Application::class);