Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  2868951da1cd00a7163a200d72aae66f33e6767b

QA: update upload tests

These tests don't actually run, but they'll be noise if I don't
make them modern

Change-Id: Ic37dcf99fa2c285eb003671e610a2cd701da8baa