Reactivate test for AluGrid, the level of vertices has been fixed

dune/fufem/test/transferoperatorassemblertest.cc

@@ -71,7 +71,7 @@ bool testDim() {
   TestSuite suite;
   passed &= checkWithAdaptiveGrid<Dune::UGGrid<D>>(suite, level, 0);
 #if HAVE_DUNE_ALUGRID
-//  passed &= checkWithAdaptiveGrid<MyALUGrid<D>>(suite, level, 0);
+  passed &= checkWithAdaptiveGrid<MyALUGrid<D>>(suite, level, 0);
 #endif
 
 #if HAVE_DUNE_SUBGRID