web_steps.rb

Then /^(?:|I )should see "([^\"]*)"(?: within "([^\"]*)")?$/ do |text, selector|
  with_scope(selector) do
    if defined?(Spec::Rails::Matchers)
      page.should have_xpath("//*[text()='#{text}']", :visible => true)
    else
      assert page.has_xpath("//*[text()='#{text}']", :visible => true)
    end
  end
end