diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 6d2aca23..40575171 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,17 +1,18 @@
 <?php
 
+declare(strict_types=1);
+
 /**
- * SPDX-FileCopyrightText: 2022 Nextcloud contributors
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
+use OCP\App\IAppManager;
+use OCP\Server;
+
 define('PHPUNIT_RUN', 1);
 
 require_once __DIR__ . '/../../../lib/base.php';
+require_once __DIR__ . '/../../../tests/autoload.php';
 
-\OC::$composerAutoloader->addPsr4('Test\\', OC::$SERVERROOT . '/tests/lib/', true);
-\OC::$composerAutoloader->addPsr4('Tests\\', OC::$SERVERROOT . '/tests/', true);
-
-OC_App::loadApp('external');
-
-OC_Hook::clear();
+Server::get(IAppManager::class)->loadApp('external');