Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/astechc1/public_html/vendor/symfony/notifier/Test/TransportFactoryTestCase.php:26 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/symfony/notifier/Test/TransportFactoryTestCase.php on line 26