Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\install\laragon\www\extranet_tedis\vendor\laravel\framework\tests\Mail\MailSesV2TransportTest.php:16 Stack trace: #0 {main} thrown in E:\install\laragon\www\extranet_tedis\vendor\laravel\framework\tests\Mail\MailSesV2TransportTest.php on line 16