### Question:
NoOperationGraphCommand extends AbstractGraphCommand { @Override public CommandResult<RuleViolation> execute(final GraphCommandExecutionContext context) { return GraphCommandResultBuilder.SUCCESS; }  @Override CommandResult<RuleViolation> execute(final GraphCommandExecutionContext context); @Override CommandResult<RuleViolation> undo(final GraphCommandExecutionContext context);  }### Answer:
@Test public void testExecute() { assertThat(command.execute(context)).isEqualTo(GraphCommandResultBuilder.SUCCESS); }