Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/wizilen/www/vendor/maennchen/zipstream-php/test/CentralDirectoryFileHeaderTest.php:12 Stack trace: #0 {main} thrown in /home/wizilen/www/vendor/maennchen/zipstream-php/test/CentralDirectoryFileHeaderTest.php on line 12