Fatal error: Uncaught Error: Class 'Barryvdh\DomPDF\Tests\TestCase' not found in C:\xampp\htdocs\reservation\vendor\barryvdh\laravel-dompdf\tests\PdfTest.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\reservation\vendor\barryvdh\laravel-dompdf\tests\PdfTest.php on line 8