-CONSOLE ERROR: line 9: Uncaught NotFoundError: Failed to execute 'appendChild' on 'Node': The new child element is null.
+CONSOLE ERROR: line 9: Uncaught TypeError: Failed to execute 'appendChild' on 'Node': 1 argument required, but only 0 present.
This tests that we are getting the correct message for DOM Exception 8: NOT_FOUND_ERR.