code: def testSeekGetPositionShared(self):
      offset = 0
      self.FILE.Seek_shared(offset, MPI.SEEK_END)
      self.FILE.Seek_shared(offset, MPI.SEEK_CUR)
      self.FILE.Seek_shared(offset, MPI.SEEK_SET)
      pos = self.FILE.Get_position_shared()
      self.assertEqual(pos, offset)
  
imports: from mpi4py import MPI
  import mpiunittest
  import os, tempfile, pathlib
label_desc: Use image node_id 12 for calling the BaseTestFile obj's underlying member method code with example usage: obj.testSeekGetPositionShared() without return types