cucumber feature for testing account activation

gistfile1.feature

Scenario: Want to confirm account using mail activation link in the activation email
	  Given I have registered successfully
	  Then I should receive an activation email
          When I click the account activation link in email
	  Then I should see "Your account is successfully activated."
	  And I should receive wecome email

#registration_steps.rb
When /^I click the account activation link in email$/ do
  When 'I click the first link in the email'
end