IOSS: Add back serialize test

Author: gsjaardema

packages/seacas/libraries/ioss/src/main/CMakeLists.txt

@@ -105,14 +105,17 @@ if (TPL_ENABLE_MPI)
     set(DECOMP_ARG --rcb)
     set(JOIN_ARG   --compose --netcdf4)
     set(PJOIN_ARG   --compose --netcdf5)
+    set(SERIALIZE_ARG "--serialize_io_size=2")
     set(NPROCS 4)
     set(NPROCS_BUG 1)
   else()
     set(COMPOSE_ARG )
+    set(SERIALIZE_ARG )
     set(NPROCS 1)
     set(NPROCS_BUG 1)
   endif()
 else()
+    set(SERIALIZE_ARG )
     set(COMPOSE_ARG )
     set(JOIN_ARG )
     set(PJOIN_ARG )