drupal_behat Behat testing composer.json: { "require": { "behat/mink": "1.7.x-dev", "behat/mink-selenium2-driver": "1.3.x-dev", "dmore/behat-chrome-extension": "^1.3" }, "require-dev": { "behat/behat": "3.3", "behat/mink-extension": "^2.3" } }