Use stable chrome to fix the failing tests (#266)

* update chromedriver

* add chrome addon

Author: michield

.travis.yml

@@ -68,6 +68,8 @@ script:
 
   # run all feature except @first-run
   - ./vendor/bin/behat -fprogress -p $BROWSER --strict --tags="~@first-run && ~@wip"
+addons:
+  chrome: stable
 
 after_failure:
   - IMGUR_CLIENT_ID=bec050c54e1bb52 ./bin/imgur-uploader.sh build/screenshot/*.png

composer.json

@@ -30,7 +30,7 @@
     "sllh/php-cs-fixer-styleci-bridge": "~1.3",
     "njoannidi/php-lint-bash": "dev-master",
     "se/selenium-server-standalone": "^2.52",
-    "enm1989/chromedriver": "^2.35",
+    "enm1989/chromedriver": "^2.36",
     "bex/behat-screenshot": "^1.2"
   },
   "prefer-stable": true,