code: def _get_ds1(attrs):
      ds1 = xr.DataArray(
          da.ones((2, 2), chunks=2, dtype=np.float64),
          attrs=attrs,
          dims=("y", "x"),
          coords={"y": [0, 1], "x": [0, 1]},
      )
      return ds1
  
imports: import unittest
  from datetime import datetime
  from unittest import mock
  import dask.array
  import numpy
  import pytest
  import xarray
  from pyresample.geometry import AreaDefinition, StackedAreaDefinition
  from pytest_lazyfixture import lazy_fixture
label_desc: Use image node_id 5 for calling a global function with example usage: _get_ds1(attrs) and returns: ds1