Fatal error: Uncaught Error: Class "PHPUnit_Framework_Constraint" not found in C:\xampp\htdocs\php\pear\PHPUnit\Framework\Constraint\ClassHasAttribute.php:62 Stack trace: #0 {main} thrown in C:\xampp\htdocs\php\pear\PHPUnit\Framework\Constraint\ClassHasAttribute.php on line 62