message: Remove serialization logic for distributed closest point test.
  The serialization is no longer needed with the custom communicator feature.
diff: @@ -52,18 +52,18 @@ if(ENABLE_MPI AND MFEM_FOUND AND MFEM_USE_MPI
  if(AXOM_ENABLE_TESTS AND AXOM_DATA_DIR)
  set(_nranks 3)
  - # Bugfix: Serialize ordering of DCP tests as workaround for MPI issues
  - # encountered when these tests ran in parallel
  - set(_dcp_previous_test)
  -
  # Run the distributed closest point example on N ranks for each enabled policy
  set(_policies "seq")
  blt_list_append(TO _policies ELEMENTS "omp" IF ENABLE_OPENMP)
  blt_list_append(TO _policies ELEMENTS "cuda" IF ENABLE_CUDA)
  blt_list_append(TO _policies ELEMENTS "hip" IF ENABLE_HIP)
  +
  + # Non-zero empty-rank probability tests domain underloading case
  + set(_emptyRankProbs 0.0 0.5)
  foreach(_pol ${_policies})
  + foreach(_emptyRankProb ${_emptyRankProbs})
  # Add test with data on all ranks
  - set(_test "quest_distributed_closest_point_run_2D_${_pol}")
  + set(_test "quest_distributed_closest_point_run_2D_${_pol}_empty_rank_prob_${_emptyRankProb}")
  axom_add_test(
  NAME ${_test}
  COMMAND quest_distributed_distance_query_ex
  @@ -73,42 +73,18 @@ if(ENABLE_MPI AND MFEM_FOUND AND MFEM_USE_MPI
  --policy ${_pol}
  --object-file dcp_object_mesh_2d_${_pol}
  --distance-file dcp_closest_point_2d_${_pol}
  + --empty-rank-probability ${_emptyRankProb}
  NUM_MPI_TASKS ${_nranks})
  if(${_pol} STREQUAL "omp")
  set_property(TEST ${_test} APPEND PROPERTY ENVIRONMENT OMP_NUM_THREADS=4)
  endif()
  -
  - if(_dcp_previous_test)
  - set_tests_properties(${_test} PROPERTIES DEPENDS ${_dcp_previous_test})
  - endif()
  - set(_dcp_previous_test ${_test})
  -
  - # Add test with data on a subset of the ranks
  - set(_test "quest_distributed_closest_point_run_2D_empty_ranks_${_pol}")
  - axom_add_test(
  - NAME ${_test}
  - COMMAND quest_distributed_distance_query_ex
  - --mesh-file ${quest_data_dir}/box_2D_r${_nranks}.root
  - --num-samples 500
  - --dist-threshold .45
  - --policy ${_pol}
  - --object-file dcp_object_mesh_2d_${_pol}
  - --distance-file dcp_closest_point_2d_${_pol}
  - --empty-rank-probability .5
  - NUM_MPI_TASKS ${_nranks})
  - if(${_pol} STREQUAL "omp")
  - set_property(TEST ${_test} APPEND PROPERTY ENVIRONMENT OMP_NUM_THREADS=4)
  - endif()
  -
  - set_tests_properties(${_test} PROPERTIES DEPENDS ${_dcp_previous_test})
  - set(_dcp_previous_test ${_test})
  -
  + endforeach()
  endforeach()
  unset(_nranks)
  unset(_policies)
  + unset(_emptyRankProbs)
  unset(_test)
  - unset(_dcp_previous_test)
  endif()
  endif()
  