def contains?(ary)
      return true if ary.nil?
      the_page_source = source
      found = false
      ary.each_line do |str|
        found ||= the_page_source.include?(str)
      end
      return found
    end
def contains?(ary)
      return true if ary.nil?
      the_page_source = source
      found = false
      ary.each_line do |str|
        found ||= the_page_source.include?(str)
      end
      return found
    end
TO validate