Neat table_cucumber_step_definition.rb

Then /^I should see a table where a row contains the cells? "([^\"]*)"$/ do |cells|
  response.should have_tag('table') do |table|
    table.should have_tag('tr') do |tr|
      cells.split(/\s*,\s*/).each do |cell|
        tr.should have_tag('td', :text => /#{cell}/)
      end
    end
  end
end