Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  4086ea217fc535ae213c897868337674d06b1cb6

Declare that ItemMoveTest uses the database.

Previously, the test wrote into the live database.
Also, it failed when site IDs used for testing were
not in the local sites table.

Change-Id: I8df39b976baaac9dcb0e7ea5fc2063beac5f0a49