Verifying generated html with HAML, Cucubmer, Capybara and RSpec

generate html from haml.rb

haml_file = "path/to/my/filename.haml"
haml_data = File.read(haml_file)
result = Haml::Engine.new(haml_data).render

report_steps_that_do_work.rb

# Cucumber step definition file, using Capybara
Then /^I should see the annual physical results$/ do
  report = Report.for(assessment)
  page.find("body").text.should include report.data
end

report_steps_that_dont_work.rb

# Cucumber step definition file, using Capybara
Then /^I should see the annual physical results$/ do
  report = Report.for(assessment)
  page.should have_content report.data
end