Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\laragon\www\bc-game-updown\backend\vendor\ralouphie\getallheaders\tests\GetAllHeadersTest.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\bc-game-updown\backend\vendor\ralouphie\getallheaders\tests\GetAllHeadersTest.php on line 7