FEM: unit test, tests for seg2 and seg3 python mesh API
FEM: unit test, tests for seg2 and seg3 python mesh API

Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master