Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  2cc135fa09e16d44823da77acf0951592bc45afd

QA: update special_history and special_contributions tests

* RSpec3 syntax
* remove duplicate code
* remove unused code

Change-Id: Ieb425c442611a5970a158a46600854f432ce3c5a