code: def fake_gribdata():
      """Return some faked data for use as grib values."""
      return np.arange(25.0).reshape((5, 5))
  
imports: import os
  import sys
  from unittest import mock
  import numpy
  import pytest
  import xarray
  from satpy.dataset import DataQuery
label_desc: Use image node_id 1 for calling a global function with example usage: fake_gribdata() and returns: np