public function testPubSubMultipleListeners()
{
// Setup driver
$this->dummy_driver->setMessage('event-message');
$this->dummy_driver->setChannel('unittest');
// Listeners
$this->pubsub_manager->addListener('unittest', [$this, 'pubSubListener_1']);
$this->pubsub_manager->addListener('unittest', [$this, 'pubSubListener_2']);
$this->pubsub_manager->run();
}