code: def should_see_in_seconds(self, text, timeout):
      
  
      def check_element():
          """Check for an element with the given content."""
  
          assert contains_content(world.browser, text), \
              "Expected element with the given text."
  
      wait_for(check_element)(timeout=int(timeout))
docs: Assert provided text is visible within n seconds.
  
      Be aware this text could be anywhere on the screen. Also be aware that
      it might cross several HTML nodes. No determination is made between
      block and inline nodes. Whitespace can be affected.