Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  3e23723e68587539637b22f7007e60dfa6ef4ef9

Add basic roundtrip testing for MwTimeIsoFormatter

This is currently turned on for a few test cases
Really TimeValue needs an equals method to make this
easier

Change-Id: Ib91b9873773eff2b2b4cdf93b50696a66aac69ec