Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  b6348906349437641746effb81eda144f3fc7589

QA: Fix missing "Given I am logged in as a new user"

Echo browser tests pass, but are skipping
  Scenario: New user gets a sign up notification
because a step definition is missing.

I simply adapted
  ^I am logged in as a new user with no notifications$
and the scenario passes in chrome.

Change-Id: I9f2bd10d05b689eaacbf2890913786eb157d6af9