Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/edmedu/www/mig.edmclass.com/front.edmclass.com/vendor/mobiledetect/mobiledetectlib/tests/BasicsTest.php:9 Stack trace: #0 {main} thrown in /home/edmedu/www/mig.edmclass.com/front.edmclass.com/vendor/mobiledetect/mobiledetectlib/tests/BasicsTest.php on line 9