### Question:
DeleteAttributeLiveCommandImpl extends AbstractModifyLiveCommand<DeleteAttributeLiveCommand, DeleteAttributeLiveCommandAnswerBuilder> implements DeleteAttributeLiveCommand { @Nonnull @Override public String toString() { return getClass().getSimpleName() + "[" + super.toString() + "]"; } private  DeleteAttributeLiveCommandImpl(final DeleteAttribute command); @Nonnull static DeleteAttributeLiveCommandImpl of(final Command<?> command); @Override JsonPointer getAttributePointer(); @Override Category getCategory(); @Override DeleteAttributeLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders); @Override boolean changesAuthorization(); @Nonnull @Override DeleteAttributeLiveCommandAnswerBuilder answer(); @Nonnull @Override String toString();  }### Answer:
@Test public void toStringReturnsExpected() { assertThat(underTest.toString()) .contains(underTest.getClass().getSimpleName()) .contains("command=") .contains(twinCommand.toString()); }