test_ws_event__topo_diff(): augment test with link
test_ws_event__topo_diff(): augment test with link

shlomif/rhizi,cben/rhizi,ozFri/rhizi,cben/rhizi,yuvadm/rhizi,ozFri/rhizi,tlevine/rhizi,Rhizi/rhizi,yuvadm/rhizi,ozFri/rhizi,ozFri/rhizi,shlomif/rhizi,yuvadm/rhizi,shlomif/rhizi,Rhizi/rhizi,tlevine/rhizi,Rhizi/rhizi,cben/rhizi,Rhizi/rhizi,shlomif/rhizi,tlevine/rhizi,cben/rhizi,yuvadm/rhizi,tlevine/rhizi