class TestCommand extends Command
{
    protected function configure()
    {
        $this->setName('test');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $choices = [
            'a' => 'aaaa',
            'b' => 'bbbb',
        ];

        $questionHelper = new SymfonyQuestionHelper();
        $choice = $questionHelper->ask(
            $input,
            $output,
            new ChoiceQuestion('Does it work?', $choices, 'a')
        );

        $output->writeln("Choice: $choice");
    }
}