Add E2E scenario for travel advice publisher

We want to avoid running this in production, as it would generate
changes to the live site. Although each run of this scenario can
generate data, the daily wipes of our non-production DBs should be
sufficient to avoid any longterm build up.

features/foreign_travel_advice.feature

@@ -28,3 +28,13 @@ Feature: Foreign Travel Advice
   Scenario: Check country feed contains the correct website root
     When I visit "/foreign-travel-advice/ireland.atom"
     Then the XML ID is formed from the correct URL
+
+  @notproduction
+  Scenario: Publishing travel advice
+    When I go to the "travel-advice-publisher" landing page
+    And I try to login as a user
+    And I go to the "travel-advice-publisher" landing page
+    Then I should see "GOV.UK Travel Advice Publisher"
+    When I publish a new travel advice edition
+    And I visit "/foreign-travel-advice/afghanistan"
+    Then I should see the updated travel advice

features/step_definitions/foreign_travel_advice_steps.rb

@@ -0,0 +1,12 @@
+When "I publish a new travel advice edition" do
+  step 'I click on the link "Afghanistan"'
+  step 'I click on the button "Create new edition"'
+  choose "edition_update_type_minor"
+  fill_in "edition_summary", with: "Smokey test"
+  step 'I click on the button "Save & Publish"'
+end
+
+Then "I should see the updated travel advice" do
+  step 'I visit "/foreign-travel-advice/afghanistan"'
+  step 'I should see "Smokey test"'
+end