message: Replace [] with () for vector.
diff: @@ -197,7 +197,7 @@ void TestFaceRestriction(Mesh &mesh, int order)
  for (int i=0; i<ndof_face; ++i)
  {
  - REQUIRE(face_values[i] == face_values(i + ndof_face));
  + REQUIRE(face_values(i) == face_values(i + ndof_face));
  }
  }
  }
  