Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\laragon\www\store-hidemium\vendor\symfony\mailer\Test\TransportFactoryTestCase.php:29 Stack trace: #0 {main} thrown in C:\laragon\www\store-hidemium\vendor\symfony\mailer\Test\TransportFactoryTestCase.php on line 29