message: MPI-based tests only in MPI builds
diff: @@ -126,13 +126,14 @@ if(ADIOS2_HAVE_MPI AND MPIEXEC_EXECUTABLE)
  endforeach()
  endif()
  -set (SIMPLE_TESTS "1x1;NoReaderNoWait;TimeoutOnOpen;1x1.NoData;2x2.NoData;2x2.HalfNoData;1x1.Modes;1x1.Attrs;1x1.Local;1x1.SharedNothing;1x1.SharedIO;1x1.SharedVar;1x1.SharedNothingSync;1x1.SharedIOSync;1x1.SharedVarSync;2x1.SharedNothing;2x1.SharedIO;2x1.SharedVar;2x1.SharedNothingSync;2x1.SharedIOSync;2x1.SharedVarSync")
  +set (SIMPLE_TESTS "1x1;NoReaderNoWait;TimeoutOnOpen;1x1.NoData;1x1.Modes;1x1.Attrs;1x1.Local;1x1.SharedNothing;1x1.SharedIO;1x1.SharedVar;1x1.SharedNothingSync;1x1.SharedIOSync;1x1.SharedVarSync")
  +
  set (SIMPLE_FORTRAN_TESTS "")
  if(ADIOS2_HAVE_Fortran)
  set (SIMPLE_FORTRAN_TESTS "FtoC.1x1;CtoF.1x1;FtoF.1x1")
  endif()
  -set (SPECIAL_TESTS "TimeoutReader.1x1;LatestReader.1x1;LatestReaderHold.1x1;DiscardWriter.1x1;PreciousTimestep.3x2;PreciousTimestepDiscard.3x2;1x1.NoPreload;1x1.ForcePreload")
  +set (SPECIAL_TESTS "TimeoutReader.1x1;LatestReader.1x1;LatestReaderHold.1x1;DiscardWriter.1x1;1x1.NoPreload;1x1.ForcePreload")
  if (MPIEXEC_IS_BINARY)
  # run_test.py can only kill readers/writers if mpiexec is not a shell script
  list(APPEND SPECIAL_TESTS "KillReadersSerialized.3x2;KillReaders3Max.3x6;KillWriter_2x2;KillWriterTimeout_2x2")
  @@ -141,8 +142,8 @@ endif()
  set (SIMPLE_MPI_TESTS "")
  set (SIMPLE_MPI_FORTRAN_TESTS "")
  if (ADIOS2_HAVE_MPI)
  - set (SIMPLE_MPI_TESTS "2x1;1x2;3x5;5x3;DelayedReader_3x5;3x5LockGeometry;2x1.Local;1x2.Local;3x5.Local;5x3.Local;1x1.LocalVarying;5x3.LocalVarying;2x1ZeroDataVar;2x1ZeroDataR64")
  - list (APPEND SPECIAL_TESTS "2x1.NoPreload;2x3.ForcePreload")
  + set (SIMPLE_MPI_TESTS "2x1;1x2;3x5;5x3;DelayedReader_3x5;3x5LockGeometry;2x1.Local;1x2.Local;3x5.Local;5x3.Local;1x1.LocalVarying;5x3.LocalVarying;2x1ZeroDataVar;2x1ZeroDataR64;2x2.NoData;2x2.HalfNoData;2x1.SharedNothing;2x1.SharedIO;2x1.SharedVar;2x1.SharedNothingSync;2x1.SharedIOSync;2x1.SharedVarSync")
  + list (APPEND SPECIAL_TESTS "2x1.NoPreload;2x3.ForcePreload;PreciousTimestep.3x2;PreciousTimestepDiscard.3x2")
  if (ADIOS2_HAVE_Fortran)
  set (SIMPLE_MPI_FORTRAN_TESTS "FtoC.3x5;CtoF.3x5;FtoF.3x5")
  endif()
  