Regression test for bug 56913

Changed class to css because multiple classes don't seem to work.
Used _element.text because css selectors seem to return [] by default.

https://mingle.corp.wikimedia.org/projects/internationalization/cards/3822

Change-Id: Ide8c7bd22cc23bb84f24f99faf6b14c2d2ce91de
Merge "Regression test for bug 56913"