Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /users/danielstruebig/www/familyhelper/vendor/laravel/framework/src/Illuminate/Foundation/Testing/TestCase.php:12 Stack trace: #0 {main} thrown in /users/danielstruebig/www/familyhelper/vendor/laravel/framework/src/Illuminate/Foundation/Testing/TestCase.php on line 12