Here is a blog tutorial I wrote about how to use Magento 2' (EE) own AB Testing feature. I presented it at Magento Meetup London and was asked to put a blog together. Hope its useful.
Drop me a link if there are questions. http://inviqa.com/blog/how-to-ab-test-with-magento2Let me know if you get any good results. We have increased customer revenue using it- so it really works well!