Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  7d200f5391f601ebf5a2a4f05322755e1ce3bb87

Cleanup Wikibase\Lib phpunit tests

adds @covers tags
removes verbose license blocks
fixes some missing @group tag
removes fully qualified class names

Change-Id: I13feee7a5d59f53656f2fa6e86702b6150157fba