### Question:
CreateThingLiveCommandImpl extends AbstractModifyLiveCommand<CreateThingLiveCommand,
        CreateThingLiveCommandAnswerBuilder> implements CreateThingLiveCommand { @Nonnull @Override public CreateThingLiveCommandAnswerBuilder answer() { return CreateThingLiveCommandAnswerBuilderImpl.newInstance(this); } private  CreateThingLiveCommandImpl(final CreateThing command); @Nonnull static CreateThingLiveCommand of(final Command<?> command); @Override ThingId getThingEntityId(); @Override Thing getThing(); @Override Category getCategory(); @Override CreateThingLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders); @Override boolean changesAuthorization(); @Nonnull @Override CreateThingLiveCommandAnswerBuilder answer(); @Nonnull @Override String toString();  }### Answer:
@Test public void answerReturnsNotNull() { assertThat(underTest.answer()).isNotNull(); }