RetrieveFeatureDefinitionLiveCommandImpl extends AbstractQueryLiveCommand<RetrieveFeatureDefinitionLiveCommand,
        RetrieveFeatureDefinitionLiveCommandAnswerBuilder> implements RetrieveFeatureDefinitionLiveCommand { @Nonnull @Override public RetrieveFeatureDefinitionLiveCommandAnswerBuilder answer() { return RetrieveFeatureDefinitionLiveCommandAnswerBuilderImpl.newInstance(this); } private  RetrieveFeatureDefinitionLiveCommandImpl(final RetrieveFeatureDefinition command); @Nonnull static RetrieveFeatureDefinitionLiveCommandImpl of(final Command<?> command); @Override String getFeatureId(); @Override RetrieveFeatureDefinitionLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders); @Nonnull @Override RetrieveFeatureDefinitionLiveCommandAnswerBuilder answer(); @Nonnull @Override String toString();  }
@Test public void answerReturnsNotNull() { assertThat(underTest.answer()).isNotNull(); }