code: def test_valid_download_zip(eld):
      """Test that zipped files get downloaded and extracted."""
      path = eld.get_data("little-zip-file")
      path_has_contents = len(os.listdir(path)) > 0
      assert path_has_contents
  
imports: import os
  import requests
  import pytest
  import numpy
  import rasterio
  import geopandas
  import earthpy.io
label_desc: Use image node_id 15 for calling a global function with example usage: test_valid_download_zip(eld) without return types