message: Adding additional assertions for MixedBilinearForm.
diff: @@ -800,9 +800,12 @@ void PAMixedBilinearFormExtension::Assemble()
  {
  integrators[i]->AssemblePA(*trialFes, *testFes);
  }
  -
  MFEM_ASSERT(a->GetBBFI()->Size() == 0,
  "Partial assembly does not support AddBoundaryIntegrator yet.");
  + MFEM_ASSERT(a->TFBFI()->Size() == 0,
  + "Partial assembly does not support AddTraceFaceIntegrator yet.");
  + MFEM_ASSERT(a->BTFBFI()->Size() == 0,
  + "Partial assembly does not support AddBdrTraceFaceIntegrator yet.");
  }
  void PAMixedBilinearFormExtension::Update()
  