Fatal error: Uncaught Error: Class "Illuminate\Tests\Integration\Database\DatabaseTestCase" not found in /home/trairtil/public_html/vendor/laravel/framework/tests/Integration/Database/QueryBuilderTest.php:16 Stack trace: #0 {main} thrown in /home/trairtil/public_html/vendor/laravel/framework/tests/Integration/Database/QueryBuilderTest.php on line 16