Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/html/vendor/fzaninotto/faker/test/Faker/Provider/en_US/PhoneNumberTest.php:9 Stack trace: #0 {main} thrown in /var/www/html/vendor/fzaninotto/faker/test/Faker/Provider/en_US/PhoneNumberTest.php on line 9