@Test
public void validateFeatureThrowingBoolNoUpdateOptionsOk() {

  OptionCollection.Builder existing = OptionCollection.newBuilder()
      .setOption(OptionType.bool)
      .addItems(FeatureOption.newBuilder().setValue("true").setKey("true"))
      .addItems(FeatureOption.newBuilder().setValue("false").setKey("false"));
  OptionCollection.Builder update = OptionCollection.newBuilder();
  try {
    new FeatureValidator().validateOptionIdsForUpdate(existing.build(), update.build());
  } catch (ServiceException e) {
    fail("an update without options should validate");
  }
}