Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/lobby11shareacop/public_html/backend/vendor/bshaffer/oauth2-server-php/test/OAuth2/Encryption/FirebaseJwtTest.php:8 Stack trace: #0 {main} thrown in /home/lobby11shareacop/public_html/backend/vendor/bshaffer/oauth2-server-php/test/OAuth2/Encryption/FirebaseJwtTest.php on line 8