Changed test_WND5.py unittest to not ask for 0-weighted features
Changed test_WND5.py unittest to not ask for 0-weighted features

cnerger/wnd-charm,cnerger/wnd-charm,colettace/wnd-charm,colettace/wnd-charm,cnerger/wnd-charm,cnerger/wnd-charm,cnerger/wnd-charm,colettace/wnd-charm,colettace/wnd-charm,cnerger/wnd-charm,colettace/wnd-charm,colettace/wnd-charm