Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  9a6ba4ad50cf1691219df7a9144bad4cf79d9f49

Fix ridiculous MetaList test case

Doing retainMetadata followed by a replace (not replaceMetadata)
doesn't make any sense and its behavior is undefined, so don't do that
in the test suite.

Change-Id: Ica032b0a5122d24e40e43e3eb43fea940270aece