Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  63155c06f9635aa3f544913600b30bd26e1bc3b8

Introduce IndependentWikibaseApiTestCase

This will eventually replace the current
WikibaseApiTestCase class once ALL api tests
have been refactored to override modules
services

Change-Id: Ieb41a1a238fc64da634e6bf4eef72140ece7e4d4