Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/ramassof/backup.ramas.dev/vendor/paragonie/constant_time_encoding/tests/Base64UrlSafeTest.php:18 Stack trace: #0 {main} thrown in /home/ramassof/backup.ramas.dev/vendor/paragonie/constant_time_encoding/tests/Base64UrlSafeTest.php on line 18