binary paths in integration tests

error_steps.rb

Then /^I should see an error$/ do
  page.should have_selector('div.error')
end

Then /^I should not see any errors$/ do
  page.should have_no_selector('div.error')
end

gistfile1.feature

Feature: user creates foo with bar

  Background:
    Given I am a user
    And I am logged in

  Scenario: user fails to create a foo
    Given I'm on the "new foo" page
    When I submit invalid foo details
    Then I should see an error 
  
  Scenario: user sucessfully creates a foo 
    Given I'm on the "new foo" page
    When I submit valid foo details
    Then I should not see any errors