anchor.diff:    ExperimentService _service;
     List<Experiment> _experiments;
   
  +  Timer _activeUpdateTimer;
  +  static const _pollRate = Duration(seconds: 5);
  +
     /// A [Provider] with the user's joined Experiments
     ExperimentProvider.withRunningExperiments() {
       _initWithRunning();
  
positive.code:     _experiments = _service.getJoinedExperiments();
      notifyListeners();
  
      // TODO Not dynamically updated
      platform_service.databaseImpl.then((db) {
        db.getAllNotifications().then((all) {
          for (Experiment e in _experiments) {
  
negative.code:         notifyListeners();
        });
      });
  
      _activeUpdateTimer = Timer.periodic(_pollRate, _updateActive);
    }
  
    /// A [Provider] with the Experiments available to join
  