Add test for layer hit on cross-origin canvas
Add test for layer hit on cross-origin canvas

stweil/ol3,ahocevar/ol3,bjornharrtell/ol3,stweil/ol3,oterral/ol3,stweil/openlayers,ahocevar/openlayers,adube/ol3,bjornharrtell/ol3,stweil/ol3,adube/ol3,oterral/ol3,stweil/ol3,ahocevar/ol3,oterral/ol3,bjornharrtell/ol3,openlayers/openlayers,openlayers/openlayers,openlayers/openlayers,ahocevar/openlayers,stweil/openlayers,ahocevar/ol3,ahocevar/openlayers,adube/ol3,stweil/openlayers,ahocevar/ol3