Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/xaviers-college-erpweb/vendor/webpatser/uuid/tests/UuidTest.php:6 Stack trace: #0 {main} thrown in /var/www/html/xaviers-college-erpweb/vendor/webpatser/uuid/tests/UuidTest.php on line 6