Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /opt/lampp/htdocs/monev_jkn/lz-string-php-master/test/TestLZString.php:5 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/monev_jkn/lz-string-php-master/test/TestLZString.php on line 5