mediawiki.test.js: Suppress false postives for deprecated mw.* properties

[qunit]
  mediawiki.jscompat...OK
  mediawiki - Initial check...
   Use of "anonymous" is deprecated. Use mw.user.isAnon instead.
   Use of "name" is deprecated. Use mw.user.getName instead.
   Use of "jsMessage" is deprecated. Use mw.notify instead.
   Use of "wikiGetlink" is deprecated. Use mw.util.getUrl instead.
  OK
  mediawiki - mw.Map...OK
  mediawiki - mw.config...OK
  mediawiki - mw.msg...OK
  mediawiki - mw.loader...OK

Change-Id: I4a79bc64cc26c1237fefe1503504cde9d40a5087
Merge "mediawiki.test.js: Suppress false postives for deprecated mw.* properties"