code: def fake_files(fake_dataset, encoding, tmp_path):
      """Write the same fake dataset into two different files."""
      filenames = [
          tmp_path / "CPPin20140101001500305SVMSG01MD.nc",
          tmp_path / "CPPin20140101003000305SVMSG01MD.nc",
      ]
      for filename in filenames:
          fake_dataset.to_netcdf(filename, encoding=encoding)
      return filenames
  
imports: import datetime
  import os
  import numpy
  import pytest
  import xarray
  from pyresample.geometry import AreaDefinition
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 6 for calling a global function with example usage: fake_files(fake_dataset, encoding, tmp_path) and returns: filenames