Fatal error: Uncaught Error: Class 'Illuminate\Tests\Integration\Database\DatabaseTestCase' not found in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Integration/Validation/ValidatorTest.php:15 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Integration/Validation/ValidatorTest.php on line 15