step definition

Then (/^I see one item from the list "([^\"]*)"$/) do |items|
  saw_item = false
  for item in items.split(",")
    if element_exists("* {text CONTAINS[c] '#{item}'}")
      saw_item = true
    end
  end
  if !saw_item
    fail("Did not see item from list \"#{items}\".")
  end
end