Fatal error: Uncaught Error: Interface "Behat\Behat\Tester\StepTester" not found in /srv/www/htdocs/moodle/lib/behat/extension/Moodle/BehatExtension/EventDispatcher/Tester/MoodleEventDispatchingStepTester.php:40 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/behat/extension/Moodle/BehatExtension/EventDispatcher/Tester/MoodleEventDispatchingStepTester.php on line 40