ModifyAttributesLiveCommandImpl extends AbstractModifyLiveCommand<ModifyAttributesLiveCommand,
        ModifyAttributesLiveCommandAnswerBuilder> implements ModifyAttributesLiveCommand { @Nonnull @Override public ModifyAttributesLiveCommandAnswerBuilder answer() { return ModifyAttributesLiveCommandAnswerBuilderImpl.newInstance(this); } private  ModifyAttributesLiveCommandImpl(final ModifyAttributes command); @Nonnull static ModifyAttributesLiveCommandImpl of(final Command<?> command); @Nonnull @Override Attributes getAttributes(); @Override Category getCategory(); @Override ModifyAttributesLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders); @Override boolean changesAuthorization(); @Nonnull @Override ModifyAttributesLiveCommandAnswerBuilder answer(); @Nonnull @Override String toString();  }
@Test public void answerReturnsNotNull() { assertThat(underTest.answer()).isNotNull(); }