Gush\Tests\Command\CommandTestCase::setExpectedCommandInput PHP Method

    protected function setExpectedCommandInput(Command $command, $input)
    {
        if (is_array($input)) {
            $input = implode("\n", $input);
        }
        $helper = $command->getHelper('gush_question');
        $helper->setInputStream($this->getInputStream($input));
    }