Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/jjcxhjud/public_html/misr2000/vendor/sebastian/environment/tests/ConsoleTest.php:17 Stack trace: #0 {main} thrown in /home/jjcxhjud/public_html/misr2000/vendor/sebastian/environment/tests/ConsoleTest.php on line 17