code: def _test_open_close(path):
      comm = MPI.COMM_SELF
      amode = MPI.MODE_CREATE | MPI.MODE_RDWR
      amode |= MPI.MODE_DELETE_ON_CLOSE
      try:
          fh = MPI.File.Open(comm, path, amode)
      except:
          os.remove(path)
          raise
      else:
          MPI.File.Close(fh)
  
imports: from mpi4py import MPI
  import mpiunittest
  import os, tempfile, pathlib
label_desc: Use image node_id 1 for calling the TestFilePath obj's underlying member method code with example usage: obj._test_open_close(path) without return types