code: def submit_download_mock(
      _self, _fetch_and_save, filename, dest_folder
  ):
      """Patch to write a nonsense dataset rather than a downloaded one."""
      # If filename == foo/bar/x_y_z_attr.dat, content == "x_y_z_attr"
      content = os.path.splitext(os.path.basename(filename))[0]
      if content.split("_")[-1] == "full":
          content = {"molecule": content}
      qml.data.Dataset._write_file(
          content, os.path.join(dest_folder, filename)
      )
  
imports: import os
  from pathlib import Path, PosixPath
  from unittest.mock import MagicMock, patch
  import pytest
  import requests
  import pennylane
  import pennylane.data.data_manager
  from pennylane.data import Dataset
  from pennylane.data.data_manager import S3_URL, DataPath, _validate_attributes
label_desc: Use image node_id 5 for calling a global function with example usage: submit_download_mock(__fetch_and_save, filename, dest_folder) without return types