Updated mediawiki/extensions/Wikidata
Project: mediawiki/extensions/Wikibase  e0a58e0b8549540107abffe77cc9144901384cee

Use MockSiteStore for testGetLangLinkSiteGroup in WikibaseClient

Change-Id: I88f79f47d61a2f0d8edc81a0d72ad7ddd554caa7