Merge "QA: updates to edit test ported from qa/browsertests"

diff --cc tests/browser/features/edit_page.feature
index 8c089ad,1b428d7..c190a78
--- 1/tests/browser/features/edit_page.feature
--- 2/tests/browser/features/edit_page.feature
+++ b/tests/browser/features/edit_page.feature
@@@ -5,5 -5,7 +5,7 @@@ Feature: Edit Pag
      Given I go to the "Editing Test Page" page with content "This is a page to test editing"
      When I click Edit
        And I edit the page with "Edited and a random string"
+       And I click Preview
+       And I click Show Changes
        And I save the edit
 -    Then the edited page content should contain "Edited and a random string"
 +    Then the edited page content should contain "Edited and a random string"