Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  8619596273b82783f38c809843a8106840420974

provideEntityHandels into the class that uses it

If only one Testset uses it there is no point in it
being in the base. Also this will spliting the
current base into a helper easier
Change-Id: Ic1a90d3dd339e6e8e9ca61e664fdca4d8f7fe05c