message: Renamed output file for spio wrw test to avoid a name clash.
diff: #include "mpi.h"
  #include <string>
  +#include <sstream>
  using axom::spio::IOManager;
  using axom::sidre::Group;
  @@ -58,7 +59,9 @@ int main(int argc, char** argv)
  MPI_Comm_size(MPI_COMM_WORLD, &num_ranks);
  int num_files = std::max( num_ranks / 2, 1);
  - std::string filename = "out_spio_RWR";
  + std::stringstream sstr;
  + sstr << "out_spio_WRW_" << num_ranks;
  + std::string filename = sstr.str();
  // Initialize a datastore and dump to disk
  DataStore * ds = new DataStore();
  