Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  c0fe2d37a28d8b69d0070d7041011479472caff0

Replace assert() with actual PHPUnit assertions

Replace with PHPUnit assertions in actual tests
but with exceptions in setup code.

Change-Id: I8a1d95d70855ab4af3d35d6d79bc185f0045a5a1