Updated mediawiki/extensions
Project: mediawiki/extensions/CodeReview  4bd274387db2e6cf381fec4f7a7847fecb61d945

Mark API tests as 'medium'

MediaWiki core now requires API tests to be at least in the medium
PHPUnit group as to raise the timeout to an acceptable level.

Change-Id: I09a0bdb92f638dec74847a9ccc9d5e25dc7a3471