public function getProviders(DeliveryExecution $execution)
    {
        $serviceManager = $this->getServiceManager();
        $providerService = $serviceManager->get(TestProviderService::SERVICE_ID);
        $providers = $providerService->getAllProviders();
        return array_filter($providers, function ($provider) {
            return !is_null($provider) && $provider->isActive();
        });
    }