Fatal error: Uncaught Error: Class "Illuminate\Tests\Integration\Queue\QueueTestCase" not found in /home/trairtil/public_html/vendor/laravel/framework/tests/Integration/Queue/JobChainingTest.php:19 Stack trace: #0 {main} thrown in /home/trairtil/public_html/vendor/laravel/framework/tests/Integration/Queue/JobChainingTest.php on line 19