Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /Applications/MAMP/htdocs/munagsatcom2/vendor/symfony/console/Tests/Helper/HelperTest.php:17 Stack trace: #0 {main} thrown in /Applications/MAMP/htdocs/munagsatcom2/vendor/symfony/console/Tests/Helper/HelperTest.php on line 17