They are not generated by MediaWiki, but they often appear when users
sign others' unsigned comments by copy-pasting the timestamp from the
history page.
Add test config data for nlwiki, exported by running this in the
browser console:
copy(
JSON.stringify( { wgArticlePath, wgNamespaceIds, wgFormattedNamespaces }, null, 2 ) + '\n' +
JSON.stringify( mw.loader.moduleRegistry['ext.discussionTools.parser'].packageExports['data.json'], null, 2 )
);
Bug: T245784
Change-Id: Icbcdc5a028e9ce2cb09173f87769e525ec3082fc
