svoid testAttractorBotResponse(AttractorBot bot, S input, S expectedOutput, O... _) {
  bool fail = !boolPar noFail(_);
  new LS out;
  temp tempSet(bot, say := vfAddToCollection(out));
  bot.addInput(input);
  if (empty(expectedOutput)) {
    if (!empty(out)) ret with failOrWarn(fail, "Bot returned unexpected output: " + multiLineQuote(lines_rtrim(out)));
  } else {
    if (!cic(out, expectedOutput))
      ret with failOrWarn(fail, "Bot didn't return " + multiLineQuote(expectedOutput) + ", instead said: " + multiLineQuote(lines_rtrim(out)));
    print("OK, bot said: " + first(out));
    LS rest = listWithoutIC(out, expectedOutput);
    if (nempty(rest))
      ret with failOrWarn(fail, "Bot returned additional lines: " + rest);
  }
}