message: fixed test name
diff: # accompanying file Copyright.txt for details.
  #------------------------------------------------------------------------------#
  -gtest_add_tests_helper(SingleRank MPI_NONE MHS Engine.MHS. "")
  -gtest_add_tests_helper(MultiRank MPI_ONLY MHS Engine.MHS. "")
  +gtest_add_tests_helper(SingleRank MPI_NONE Mhs Engine.MHS. "")
  +gtest_add_tests_helper(MultiRank MPI_ONLY Mhs Engine.MHS. "")
  