Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/public/git/vendor/phpro/grumphp/src/Test/Task/AbstractTaskTestCase.php:21 Stack trace: #0 {main} thrown in /var/www/public/git/vendor/phpro/grumphp/src/Test/Task/AbstractTaskTestCase.php on line 21