The script is needed to run the new Docker-based Jenkins job that runs daily and targets beta cluster.
selenium-test script, NPM packages and wdio.conf.js files are dependencies.
Change-Id: Ic0fb26cfdd07225260b6ef70ce81a49ee73af331
Job: RelatedArticles-npm-browser-run-selenium-daily-node-6-docker
Bug: T188742
Clicking `Mobile view` link works on both MediaWiki-Vagrant and beta cluster. Appending `&mobileaction=toggle_view_mobile` to URL works only on MediaWiki-Vagrant.
Bug: T171847
Change-Id: Iff47a5e3b25ee3af15a4843ca7efe550c334c3b7