Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/alkhalaffamily/public_html/felhal/vendor/phar-io/manifest/tests/values/ExtensionTest.php:26 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/felhal/vendor/phar-io/manifest/tests/values/ExtensionTest.php on line 26