Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/vendor/maennchen/zipstream-php/test/bug/BugHonorFileTimeTest.php:21 Stack trace: #0 {main} thrown in /var/www/html/vendor/maennchen/zipstream-php/test/bug/BugHonorFileTimeTest.php on line 21