Use new interface of makeRingSegment2D Factory

test/materialtest.cc

@@ -212,11 +212,9 @@ int main (int argc, char *argv[]) try
     std::cout<<"Checking 2D case!\n";
 
     typedef UGGrid<2> GridType2;
-    GridType2* grid2 = new GridType2;
-
     FieldVector<double,2> cent2(0);
 
-    makeRingSegment2D(cent2, 0.2, 1, 0, 1.5, *grid2 , 10, false);
+    auto grid2 = makeRingSegment2D<GridType2>(cent2, 0.2, 1, 0, 1.5, 10, false);
 
     grid2->setRefinementType(GridType2::COPY);
     for (int i=0; i<1; i++)