Dr. Jeremias Rößler

ReTest (DE)

Dr. Jeremias Rößler (Roessler, @roesslerj, he) has a PhD in Computer Science and more than 10 years of experience as a software developer and tester — is the founder and CEO of @retest_en (, a German-based startup that brings AI to test automation. His approach to test automation (difference testing) has many advantages over conventional test automation and he shows how to combine it with AI to overcome the oracle problem.

Test Automation without Assertions

Recheck-web ( is a free Open Source test automation tool on basis of Selenium. It implements Golden Master testing, which makes for
– easy to create and maintain tests
– that are more complete
– and less fragile.
And on top of that it can make your test almost unbreakable and elements easy to address with a constant virtual id. 

 Learn how recheck-web works and train hands-on with some examples.