Created Jenkins job that will run ULS tests at en.wikipedia.beta.wmflabs.org

Paired with Paired with Amire80 <amir.aharoni@mail.huji.ac.il>

Just one test for now: https://wmf.ci.cloudbees.com/view/r-uls/

Change-Id: I01d0876bef116bf2710e80d72f6933e46fcc91b9