Change xls test to add up poly & single connections.
Change xls test to add up poly & single connections.


Former-commit-id: 4cca1a87347b18a09b6b179ff89d9497a5491c61
hnunner/PyOpenWorm,kaustubhcs/PyOpenWorm,gsarma/PyOpenWorm,travs/PyOpenWorm,openworm/PyOpenWorm,gsarma/PyOpenWorm,openworm/PyOpenWorm