Updated mediawiki/extensions
Project: mediawiki/extensions/GettingStarted  9be5988183fd7ef4a7e36423ef55876043510ccc

Ensure the browser test environment is set up

ENV['MEDIAWIKI_PASSWORD'], which is required in the first step of the
"User sees modal call to action after registration" scenario, is only
set if the login hook is fired.

Change-Id: I9dad281fdc7e1d094b536f53996fbcc2688429bb