CreateAppCommand example

$directory = $this->appDir . '/' . self::APP_NAME;

        if (!is_dir($directory)) {
            return;
        }

        (new Filesystem())->remove($directory);
    }

    private function getCommandTester(): CommandTester
    {
        $appCreateCommand = new CreateAppCommand($this->appLifecycle, $this->appDir);

        $commandTester = new CommandTester($appCreateCommand);
        $application = new Application();
        $application->add($appCreateCommand);

        return $commandTester;
    }
}