diff --git a/Tests/Functional/Scheduler/TestTask.php b/Tests/Functional/Scheduler/TestTask.php
index 368bf06d..8619d50e 100644
--- a/Tests/Functional/Scheduler/TestTask.php
+++ b/Tests/Functional/Scheduler/TestTask.php
@@ -1,30 +1,15 @@
 <?php
-
 namespace PunktDe\PtExtbase\Tests\Functional\Scheduler;
 
-/***************************************************************
- *  Copyright (C) 2015 punkt.de GmbH
- *  Authors: el_equipo <opiuqe_le@punkt.de>
- *
- *  This script is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU Lesser General Public License as published
- *  by the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  This script is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU Lesser General Public License for more details.
+/*
+ * This file is part of the PunktDe\PtExtbase package.
  *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- *  This copyright notice MUST APPEAR in all copies of the script!
- ***************************************************************/
-
+ * This package is open source software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
 
 use PunktDe\PtExtbase\Scheduler\AbstractSchedulerTask;
-use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use \TYPO3\CMS\Core\Messaging\FlashMessage;
 use \TYPO3\CMS\Core\Messaging\FlashMessageQueue;
@@ -52,12 +37,12 @@ public function execute()
     {
         try {
             $flashMessage = GeneralUtility::makeInstance(
-                    't3lib_FlashMessage',
+                    FlashMessage::class,
                     'This Task is created for testing purposes, it creates some test files and log entries in the application log',
                     '',
                     FlashMessage::WARNING,
                     true
-                );
+                ); /** @var \TYPO3\CMS\Core\Messaging\FlashMessage $flashMessage */
             FlashMessageQueue::addMessage($flashMessage);
             $executeTestFilePath = Files::concatenatePaths([$this->testPath, 'testTaskExecution.txt']);
             file_put_contents($executeTestFilePath, '1428924570');