Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/devmindz/public_html/laravel/catalog_admin/vendor/symfony/http-kernel/Tests/Controller/ArgumentResolver/ServiceValueResolverTest.php:20 Stack trace: #0 {main} thrown in /home/devmindz/public_html/laravel/catalog_admin/vendor/symfony/http-kernel/Tests/Controller/ArgumentResolver/ServiceValueResolverTest.php on line 20