code: def dfs(request):
      s1 = GeoSeries(
          [
              Polygon([(0, 0), (2, 0), (2, 2), (0, 2)]),
              Polygon([(2, 2), (4, 2), (4, 4), (2, 4)]),
          ]
      )
      s2 = GeoSeries(
          [
              Polygon([(1, 1), (3, 1), (3, 3), (1, 3)]),
              Polygon([(3, 3), (5, 3), (5, 5), (3, 5)]),
          ]
      )
      df1 = GeoDataFrame({"col1": [1, 2], "geometry": s1})
      df2 = GeoDataFrame({"col2": [1, 2], "geometry": s2})
      return df1, df2
  
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 1 for calling a global function with example usage: dfs(request) and returns: df1,  df2