Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in G:\MAGANG\elang-dashboard-backend\vendor\symfony\mailer\Test\AbstractTransportFactoryTestCase.php:21 Stack trace: #0 {main} thrown in G:\MAGANG\elang-dashboard-backend\vendor\symfony\mailer\Test\AbstractTransportFactoryTestCase.php on line 21