Fix selenium test for Special:EntitiesWithoutLabel

- this broke after a baseclass SpecialEntitiesWithoutPage got introduced
  where the ids of the form elements changed

Change-Id: I358715a6ceb0de4d3bf3d328a64c6482ab288568
Fix Undo Selenium test that broke due to badges support

Change-Id: I36e604327a46459bf764f5f443b366051a651cec