Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /opt/lampp/htdocs/vendor/maennchen/zipstream-php/test/bug/BugHonorFileTimeTest.php:20 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/vendor/maennchen/zipstream-php/test/bug/BugHonorFileTimeTest.php on line 20