Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Database/DatabaseEloquentMorphToManyTest.php:12 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Database/DatabaseEloquentMorphToManyTest.php on line 12