Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  c736c722e4106b3dbd24230318baf2f5028866ae

Move DataModelSerializationRoundtripTest to DataModel 1.0

I'm afraid this does not fix all problems with this test
but it's a step in the right direction.

Change-Id: Ia55fd99a52d4c6c662c789c08593f0ffe1ac4837