* chore: bump package version

* chore: bump associated Electron version

* chore: upgrade to electron-chromedriver 4.0.0

* chore: add new version to matrix

* chore: update chai and chai-as-promised

* Use random port

Implement workaround found https://bitbucket.org/chromiumembedded/cef/issues/2476/cef-webdriver-instructions-will-need-to

* Minor fixes of tests

* Lock

* 👕

* Make multi-window tests independant of the order of windowhandles()

* Update to latest electron version

* Do not set random if it was already set by user

* Make comment clearer

* Make comment more accurate