code: def test_crs_mismatch(dfs, how):
      df1, df2 = dfs
      df1.crs = 4326
      df2.crs = 3857
      with pytest.warns(
          UserWarning, match="CRS mismatch between the CRS"
      ):
          overlay(df1, df2, how=how)
  
imports: import os
  import numpy
  import pandas
  from shapely import make_valid
  from shapely.geometry import Point, Polygon, LineString, GeometryCollection, box
  import geopandas
  from geopandas import GeoDataFrame, GeoSeries, overlay, read_file
  from geopandas._compat import PANDAS_GE_20
  from geopandas.testing import assert_geodataframe_equal, assert_geoseries_equal
  import pytest
label_desc: Use image node_id 13 for calling a global function with example usage: test_crs_mismatch(dfs, how) without return types