Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\print\vendor\fzaninotto\faker\test\Faker\Provider\fr_CH\AddressTest.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\print\vendor\fzaninotto\faker\test\Faker\Provider\fr_CH\AddressTest.php on line 10