ForeignWikiRequest: Guard against bad response
ForeignWikiRequest: Guard against bad response

See also I4dde4e3bb4ff2ea8b7669bb18b2689410e5e7713

Bug: T274408
Change-Id: I3ab7d0a4b58a150fe940bc8441b5fb127142ad9f

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo