code: def test_get_proj_data_search_paths():
      assert isinstance(get_proj_data_search_paths(), list)
  
imports: import pytest
  from rasterio._env import GDALDataFinder, PROJDataFinder, get_proj_data_search_paths, get_gdal_data
  from .conftest import gdal_version
label_desc: Use image node_id 19 for calling a global function with example usage: test_get_proj_data_search_paths() without return types