Fatal error: Uncaught Error: Class 'Tests\Browser\Pages\Page' not found in E:\xampp\htdocs\www\yunwei\qr251\vendor\dcat\laravel-admin\tests\Browser\Pages\MenuPage.php:8 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\yunwei\qr251\vendor\dcat\laravel-admin\tests\Browser\Pages\MenuPage.php on line 8