update

    Scenario: Create an Article
      Given I am on the new article page
      When I fill in the article details
      And I press "Save"
      Then I should be on articles admin page
      And I should see 'Article successfully created'

    Scenario: Update a article
      Given there are saved articles
      And I am on the articles admin page
      When I follow an articles 'edit' link
      And I amend articles details
      And I press "Save"
      Then I should articles admin page
      And I should see 'Article successfully updated' 

two scenarios

    Scenario: Publish a article
      Given I am creating a article
      When I press "Publish"
      Then the article should be published

    Scenario: Publish a article
      Given I am updating a article
      When I press "Publish"
      Then the article should be published

using or

    Scenario: Publish a article
      Given I am updating or creating a article
      When I press "Publish"
      Then the article should be published