code: def test_raster_aggregate_with_overviews(cvs):
      with open_rasterio(TEST_RASTER_PATH) as src:
          agg = cvs.raster(src, use_overviews=True)
          assert agg is not None
  
imports: from __future__ import annotations
  import pytest
  from dask.context import config
  from os import path
  from itertools import product
  import datashader
  import xarray
  import numpy
  import dask.array
  import pandas
  from datashader.resampling import compute_chunksize
  import datashader.transfer_functions
  from packaging.version import Version
label_desc: Use image node_id 5 for calling a global function with example usage: test_raster_aggregate_with_overviews(cvs) without return types