Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/petclap/public_html/production/vendor/phpunit/php-file-iterator/tests/FactoryTest.php:17 Stack trace: #0 {main} thrown in /home/petclap/public_html/production/vendor/phpunit/php-file-iterator/tests/FactoryTest.php on line 17