Fatal error: Uncaught Error: Interface "Behat\Testwork\Output\Formatter" not found in /srv/www/htdocs/moodle/lib/behat/extension/Moodle/BehatExtension/Output/Formatter/MoodleScreenshotFormatter.php:38 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/behat/extension/Moodle/BehatExtension/Output/Formatter/MoodleScreenshotFormatter.php on line 38