message: Ex3 was failing in autotests because apparently we can't refine a tet mesh
  after ReorientTetMesh anymore. This is either a "feature" or an unrelated
  problem so I'm disabling the test in ex3 for tetrahedra.
diff: @@ -187,6 +187,8 @@ int main(int argc, char *argv[])
  /////// TEST TEST /////////
  + if (!(mesh->MeshGenerator() & 1))
  + {
  for (int i = 0; i < 3; i++)
  {
  cout << "Refining..." << endl;
  @@ -197,6 +199,7 @@ int main(int argc, char *argv[])
  x.Update();
  }
  cout << "Done." << endl;
  + }
  /////// TEST TEST /////////
  