Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\laragon\www\bc-game-updown\backend\vendor\symfony\http-foundation\Tests\File\FileTest.php:21 Stack trace: #0 {main} thrown in C:\laragon\www\bc-game-updown\backend\vendor\symfony\http-foundation\Tests\File\FileTest.php on line 21