Fatal error: Uncaught Error: Class "Faker\Test\TestCase" not found in C:\xampp\htdocs\r10csm\vendor\fakerphp\faker\test\Faker\Provider\de_AT\InternetTest.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10csm\vendor\fakerphp\faker\test\Faker\Provider\de_AT\InternetTest.php on line 13