StatsCommand example

if (\in_array($transportName, ['message_countable', 'another_message_countable'], true)) {
                    return $messageCountableTransport;
                }

                return $simpleTransport;
            });
        $serviceLocator
            ->method('has')
            ->willReturnCallback(fn (string $transportName) => \in_array($transportName, ['message_countable', 'simple', 'another_message_countable'], true))
        ;

        $this->command = new StatsCommand($serviceLocator, [
            'message_countable',
            'simple',
            'another_message_countable',
            'unexisting',
        ]);
    }

    public function testWithoutArgument()
    {
        $tester = new CommandTester($this->command);
        $tester->execute([]);