Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Test\TransportFactoryTestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\symfony\mailer\Tests\Transport\SendmailTransportFactoryTest.php:22
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\astra-backoffice\vendor\symfony\mailer\Tests\Transport\SendmailTransportFactoryTest.php on line 22