Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\laragon\www\bc-game-updown\backend\vendor\symfony\http-foundation\Tests\Session\Flash\FlashBagTest.php:22 Stack trace: #0 {main} thrown in C:\laragon\www\bc-game-updown\backend\vendor\symfony\http-foundation\Tests\Session\Flash\FlashBagTest.php on line 22