Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  7aa5dbd416ab223fefa763fdcdfaa54462c92da4

Only resetEntities once in GetEntitiesTest

This reduces the run time of these tests by more than 6/7
on my machine.

Change-Id: Iff84e12bf4a10b55713cde0241526064ee8a7bce