[test] Enable parallel testing for parallel grid

dune/grid/test/CMakeLists.txt

@@ -22,7 +22,9 @@ set_property(TARGET test-spheregrid APPEND PROPERTY COMPILE_DEFINITIONS "GRIDDIM
 dune_add_test(NAME test-parallelgrid
               SOURCES test-parallelgrid.cc
               CMAKE_GUARD dune-alugrid_FOUND
-              COMPILE_DEFINITIONS "GRIDDIM=${GRIDDIM}" "WORLDDIM=${WORLDDIM}" "${GRIDTYPE}" "METAGRIDS=${METAGRIDS}"
+              MPI_RANKS 1 2 3
+              TIMEOUT 1200
+              COMPILE_DEFINITIONS "GRIDDIM=${GRIDDIM}" "WORLDDIM=${WORLDDIM}" "ALUGRID_CUBE_NOCOMM" "METAGRIDS=${METAGRIDS}"
               CMD_ARGS 2dcube.dgf)
 
 set(DGFS