AssetManager\Service\PathStackResolverServiceFactory::createService PHP Method

    public function createService(ServiceLocatorInterface $serviceLocator)
    {
        return $this($serviceLocator, PathStackResolver::class);
    }

 /**
  * Mainly to avoid regressions
  */
 public function testCreateServiceWithNoConfig()
 {
     $serviceManager = new ServiceManager();
     $serviceManager->setService('Config', array());
     $factory = new PathStackResolverServiceFactory();
     /* @var $resolver \AssetManager\Resolver\PathStackResolver */
     $resolver = $factory->createService($serviceManager);
     $this->assertEmpty($resolver->getPaths()->toArray());
 }