FEM: unit test, add type test for all FEM objects from object creation module
FEM: unit test, add type test for all FEM objects from object creation module

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