message: Finish renaming OperatorJacobiSmoother unit test.
diff: using namespace mfem;
  -namespace vectorsmoother
  +namespace operatorjacobismoother
  {
  -TEST_CASE("vectorsmoother")
  +TEST_CASE("operatorjacobismoother")
  {
  for (int dimension = 2; dimension < 4; ++dimension)
  {
  @@ -87,4 +87,4 @@ TEST_CASE("vectorsmoother")
  }
  }
  -} // namespace vectorsmoother
  +} // namespace operatorjacobismoother
  