Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/azsoluti/public_html/kimai.azsolutionspk.com/tests/Event/CalendarDragAndDropSourceEventTest.php:20 Stack trace: #0 {main} thrown in /home/azsoluti/public_html/kimai.azsolutionspk.com/tests/Event/CalendarDragAndDropSourceEventTest.php on line 20