Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/lidia/vendor/fzaninotto/faker/test/Faker/Calculator/LuhnTest.php:7 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/fzaninotto/faker/test/Faker/Calculator/LuhnTest.php on line 7