code: def testTextMode(self):
      temp_dir = self.get_temp_dir()
      self._CreateDeepDirectoryStructure(temp_dir)
      ckpt_path = posixpath.join(temp_dir, "model.ckpt")
  
      # Write out newlines as given (i.e., \r\n) regardless of OS, so as to
      # test translation on read.
      with fsspec.open(ckpt_path, "w", newline="") as f:
          data = "asdf\nasdf\nasdf\n"
          f.write(data)
      with gfile.GFile(ckpt_path, "r") as f:
          f.buff_chunk_size = 6  # Test buffering by reducing chunk size
          f.read()
  
imports: import posixpath
  from tensorboard import test
  from tensorboard.compat.tensorflow_stub import errors
  from tensorboard.compat.tensorflow_stub.io import gfile
  import fsspec
label_desc: Use image node_id 11 for calling the GFileFSSpecTest obj's underlying member method code with example usage: obj.testTextMode() without return types