Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\attendance\vendor\jmrashed\zkteco\tests\EnhancedUserManagementTest.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\attendance\vendor\jmrashed\zkteco\tests\EnhancedUserManagementTest.php on line 9