message: Update a tolerance in the TMOP tests -- this should be sufficient
  for 'make test', however, some tests run by '{tmop,ptmop}_* --all'
  still need bigger tolerances.
diff: @@ -574,7 +574,7 @@ static void tmop_require(int id, const char *args[])
  REQUIRE(res[0].dot == MFEM_Approx(res[1].dot));
  REQUIRE(res[0].tauval == MFEM_Approx(res[1].tauval));
  REQUIRE(res[0].init_energy == MFEM_Approx(res[1].init_energy));
  - REQUIRE(res[0].final_energy == MFEM_Approx(res[1].final_energy));
  + REQUIRE(res[0].final_energy == MFEM_Approx(res[1].final_energy, 2e-12));
  REQUIRE(res[0].diag == MFEM_Approx(res[1].diag));
  }
  