Fatal error: Uncaught Error: Class 'PHPUnit\TextUI\Command' not found in /var/www/html/simplesamlphp/vendor/symfony/phpunit-bridge/Legacy/CommandForV7.php:22
Stack trace:
#0 {main}
  thrown in /var/www/html/simplesamlphp/vendor/symfony/phpunit-bridge/Legacy/CommandForV7.php on line 22