Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/pevo0181/public_html/mode/school_mode/vendor/symfony/mailer/Test/TransportFactoryTestCase.php:29 Stack trace: #0 {main} thrown in /home/pevo0181/public_html/mode/school_mode/vendor/symfony/mailer/Test/TransportFactoryTestCase.php on line 29