Since then, Microsoft has announced that Edge will support WebDriver, the cross-platform, browser agnostic API, paired with the Selenium tool suite.

Selenium provides a useful Chrome plug-in (that works in the new Edge) that you can use to collect and play back interactions, building and testing simple scripts. Using WebDriver with C# ...

Selenium recommends after June 15 that developers test IE sites with IE Mode in Microsoft Edge rather than IE 11 browser as it will stop fixing issues with IE 11 at that point.