Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/wittyly/public_html/live/hr-witty/vendor/codeception/base/src/Codeception/Test/Unit.php:14 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/hr-witty/vendor/codeception/base/src/Codeception/Test/Unit.php on line 14