syntax fixes to unit test modifications
syntax fixes to unit test modifications


Former-commit-id: dbff23596a7e8a63d77cdf0f3669836e0b572785
openworm/PyOpenWorm,gsarma/PyOpenWorm,travs/PyOpenWorm,gsarma/PyOpenWorm,openworm/PyOpenWorm,hnunner/PyOpenWorm,kaustubhcs/PyOpenWorm