Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\print\vendor\fzaninotto\faker\test\Faker\Provider\de_DE\InternetTest.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\print\vendor\fzaninotto\faker\test\Faker\Provider\de_DE\InternetTest.php on line 11