message: Update fa-test to work in parallel.
diff: @@ -398,15 +398,17 @@ int main(int argc, char *argv[])
  std::cout << "A_ref=\n" << k_ref->SpMat() << std::endl;
  }
  - // GridFunction x(fes), y_fa(fes), y_ref(fes);
  - // x.Randomize(1);
  + const int sizeIn = fes->GetVSize() + fes->GetFaceNbrVSize();
  + const int sizeOut = fes->GetVSize();
  + Vector x(sizeIn), y_fa(sizeOut), y_ref(sizeOut);
  + x.Randomize(1);
  - // A.Mult(x,y_fa);
  - // k_ref->Mult(x,y_ref);
  + A.Mult(x,y_fa);
  + k_ref->Mult(x,y_ref);
  - // y_fa -= y_ref;
  + y_fa -= y_ref;
  - // std::cout << "Apply error = " << y_fa.Norml2() << std::endl;
  + std::cout << "Apply error = " << y_fa.Norml2() << std::endl;
  double iError(0), jError(0), dataError(0);
  for (int i=0; i<k_ref->SpMat().GetMemoryI().Capacity(); ++i)
  