When /^I visit the first profile$/ do
  doc = Nokogiri::HTML(response_body)
  link_text = doc.search('div#profiles ul a').first['href']

  visit(link_text)
end

Then /^I should see a list of graphs$/ do
  doc = Nokogiri::HTML(response_body)
  doc.search('div#profile div.graph').size.should > 1
end