Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/www/swittelecom.com/test/laravel/vendor/symfony/console/Tests/ApplicationTest.php:36 Stack trace: #0 {main} thrown in /home/www/swittelecom.com/test/laravel/vendor/symfony/console/Tests/ApplicationTest.php on line 36