Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/palabrebel/www/kimai/tests/Timesheet/TrackingMode/DurationFixedBeginModeTest.php:23 Stack trace: #0 {main} thrown in /home/palabrebel/www/kimai/tests/Timesheet/TrackingMode/DurationFixedBeginModeTest.php on line 23