#############################
Expected output for 'h5dump --group=1 --sort_by=creation_order --sort_order=descending tordergr.h5'
#############################
HDF5 "tordergr.h5" {
GROUP "1" {
   GROUP "a" {
      GROUP "a2" {
         GROUP "a21" {
         }
         GROUP "a22" {
         }
      }
      GROUP "a1" {
      }
   }
   GROUP "b" {
   }
   GROUP "c" {
   }
}
}