message: pin dev dependency versions
diff: "url": "https://support.symphony.com"
  },
  "devDependencies": {
  - "babel-cli": "^6.18.0",
  - "babel-eslint": "^7.1.1",
  - "babel-plugin-transform-async-to-generator": "^6.16.0",
  - "babel-plugin-transform-runtime": "^6.15.0",
  - "babel-preset-es2016-node5": "^1.1.2",
  - "babel-register": "^6.18.0",
  + "babel-cli": "6.26.0",
  + "babel-eslint": "7.2.3",
  + "babel-plugin-transform-async-to-generator": "6.24.1",
  + "babel-plugin-transform-runtime": "6.23.0",
  + "babel-preset-es2016-node5": "1.1.2",
  + "babel-register": "6.26.0",
  "bluebird": "3.5.2",
  "browserify": "16.2.3",
  "chromedriver": "2.42.0",
  