Added test for refresh singleMarkerMode reject alien markers
Added test for refresh singleMarkerMode reject alien markers

ghybs/Leaflet.markercluster,frenomus/Leaflet.markercluster,604557209/byzgf,frenomus/Leaflet.markercluster,nerik/Leaflet.markercluster,Leaflet/Leaflet.markercluster,Leaflet/Leaflet.markercluster,ghybs/Leaflet.markercluster,nerik/Leaflet.markercluster,604557209/byzgf