Noissue - Upgrade to selenium-webdriver 4.0.0-alpha

package.json

 {
   "name": "adblockpluschrome",
   "repository": "https://hg.adblockplus.org/adblockpluschrome",
   "license": "GPL-3.0",
   "dependencies": {},
   "devDependencies": {
     "//": [
       "'dmg', 'extract-zip' and 'ncp' are needed by `download_*.js` modules",
       "in adblockpluscore/test/.",
       "The chromedriver version was pinned to that exact version, due to",
       "incompatibilities with the configured chromium version and newer",
       "drivers."
     ],
     "argparse": "^1.0.10",
     "chromedriver": "2.36.0",
     "dmg": "^0.1.0",
     "eslint": "^5.1.0",
     "eslint-config-eyeo": "^2.1.0",
     "extract-zip": "^1.6.5",
     "geckodriver": "^1.9.0",
     "handlebars": "^4.0.12",
     "jimp": "^0.3.11",
     "ncp": "^2.0.0",
     "mocha": "^5.2.0",
-    "selenium-webdriver": "^3.6.0",
+    "selenium-webdriver": "4.0.0-alpha1",

[Sebastian Noack, 2018/11/06 09:02:33]

We might want to require ^4.0.0-alpha here.

[tlucas, 2018/11/07 08:57:16]

If not, there's still a typo: 4.0.0-alpha.1
                                         ^

[hub, 2018/11/07 17:13:36]

I had started with that but I'm wondering of the API stability in the alpha
series. I'd hate that `alpha.2` break API.

[hub, 2018/11/07 17:13:36]

oops.

     "sign-addon": "^0.3.1"
   },
   "scripts": {
     "pretest": "bash -c \"python ensure_dependencies.py\"",
     "lint": "eslint *.js lib/ qunit/ ext/ test/ build/",
     "test-only": "mocha",
     "test": "npm run test-only --",
     "posttest": "npm run lint",
     "publish": "node build/publish.js"
   }
 }