Fatal error: Uncaught Error: Class "PHPUnit\Framework\Constraint\Constraint" not found in D:\Application\www\E-Tracking\vendor\laravel\framework\src\Illuminate\Foundation\Testing\Constraints\SoftDeletedInDatabase.php:8 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\laravel\framework\src\Illuminate\Foundation\Testing\Constraints\SoftDeletedInDatabase.php on line 8