add icon popupAnchor option test for nonPhantom browsers (#5865)
add icon popupAnchor option test for nonPhantom browsers (#5865)


CapeSepias/Leaflet,stefanocudini/Leaflet,CapeSepias/Leaflet,stefanocudini/Leaflet,msiadak/Leaflet,CapeSepias/Leaflet,stefanocudini/Leaflet,Leaflet/Leaflet,Leaflet/Leaflet,msiadak/Leaflet,msiadak/Leaflet,Leaflet/Leaflet