private IObservable <Unit> handlePushNotificationTokenSubscription()
 => remoteConfigService.GetPushNotificationsConfiguration().RegisterPushNotificationsTokenWithServer
         ? createSubscriptionInteractor().Execute()
         : createUnsubscriptionInteractor().Execute();
 private void configureRemoteConfig(bool shouldSubscribeToPushes)
 {
     remoteConfigService.GetPushNotificationsConfiguration()
     .Returns(new PushNotificationsConfiguration(shouldSubscribeToPushes, true));
 }