public void HandleOccurenceEvent_FormattedOccurenceCalled_WithCorrectArguments()
        {
            DateTime date = DateTime.Now;

            _occurenceSource.OccurenceDetectedEvent += Raise.EventWith <OccurrenceEventArgs>
                                                           (new OccurrenceEventArgs {
                ObservedTrack = _observedTrack, OccurenceTrack = _occurenceTrack, OccurenceTime = date
            });

            _formatter.Received(1).FormatOccurence(Arg.Is(_observedTrack), Arg.Is(_occurenceTrack), Arg.Is(date));
        }