code: def setup_method(self):
      self.layer_a = GeoDataFrame(geometry=[box(0, 2, 6, 6)])
  
      self.layer_b = GeoDataFrame(geometry=[box(4, 0, 10, 4)])
  
      self.intersection = GeoDataFrame(geometry=[box(4, 2, 6, 4)])
  
      self.union = GeoDataFrame(
          geometry=[
              box(4, 2, 6, 4),
              Polygon(
                  [
                      (4, 2),
                      (0, 2),
                      (0, 6),
                      (6, 6),
                      (6, 4),
                      (4, 4),
                      (4, 2),
                  ]
              ),
              Polygon(
                  [
                      (10, 0),
                      (4, 0),
                      (4, 2),
                      (6, 2),
                      (6, 4),
                      (10, 4),
                      (10, 0),
                  ]
              ),
          ]
      )
  
      self.a_difference_b = GeoDataFrame(
          geometry=[
              Polygon(
                  [
                      (4, 2),
                      (0, 2),
                      (0, 6),
                      (6, 6),
                      (6, 4),
                      (4, 4),
                      (4, 2),
                  ]
              )
          ]
      )
  
      self.b_difference_a = GeoDataFrame(
          geometry=[
              Polygon(
                  [
                      (10, 0),
                      (4, 0),
                      (4, 2),
                      (6, 2),
                      (6, 4),
                      (10, 4),
                      (10, 0),
                  ]
              )
          ]
      )
  
      self.symmetric_difference = GeoDataFrame(
          geometry=[
              Polygon(
                  [
                      (4, 2),
                      (0, 2),
                      (0, 6),
                      (6, 6),
                      (6, 4),
                      (4, 4),
                      (4, 2),
                  ]
              ),
              Polygon(
                  [
                      (10, 0),
                      (4, 0),
                      (4, 2),
                      (6, 2),
                      (6, 4),
                      (10, 4),
                      (10, 0),
                  ]
              ),
          ]
      )
  
      self.a_identity_b = GeoDataFrame(
          geometry=[
              box(4, 2, 6, 4),
              Polygon(
                  [
                      (4, 2),
                      (0, 2),
                      (0, 6),
                      (6, 6),
                      (6, 4),
                      (4, 4),
                      (4, 2),
                  ]
              ),
          ]
      )
  
      self.b_identity_a = GeoDataFrame(
          geometry=[
              box(4, 2, 6, 4),
              Polygon(
                  [
                      (10, 0),
                      (4, 0),
                      (4, 2),
                      (6, 2),
                      (6, 4),
                      (10, 4),
                      (10, 0),
                  ]
              ),
          ]
      )
  
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 the TestOverlayWikiExample obj's underlying member method code with example usage: obj.setup_method() without return types