Add Behat Drush Endpoint plugin as a dependency

composer.json

@@ -36,6 +36,7 @@
         "behat/web-api-extension": "^1.0@dev",
         "composer-plugin-api": "^1.0.0",
         "drupal/drupal-extension": "^3.4",
+        "drush-ops/behat-drush-endpoint": "^9.2",
         "jcalderonzumba/gastonjs": "^1.2",
         "jcalderonzumba/mink-phantomjs-driver": "^0.3",
         "lakedrops/composer-scripts": "^1.0.0",