Properly disconnecting in the teardown for DataIntegrityTest
Properly disconnecting in the teardown for DataIntegrityTest


Former-commit-id: b9b1b4221317628823e13cd3798e1b5830ccfde3
travs/PyOpenWorm,gsarma/PyOpenWorm,openworm/PyOpenWorm,openworm/PyOpenWorm,kaustubhcs/PyOpenWorm,hnunner/PyOpenWorm,gsarma/PyOpenWorm