Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  b2a2b0bd97fe17beda088fc4d5681a5826e0509d

QA: update toggling tests for RSpec3

* also simplify one of the assertions

Change-Id: Iaf10ac4bc14c5d7756cbfac9d31ddbf6c8b6347e