use grid_tetra

[[Imported from SVN: r4459]]

grid/test/test-alu3dgrid.cc

@@ -55,7 +55,7 @@ int main () {
         checkGeometryInFather(grid_tetra);
 
         // check the intersection iterator and the geometries it returns
-        checkIntersectionIterator(grid_hexa);
+        checkIntersectionIterator(grid_tetra);
       }
     };