code: def test_apply(self):
      s = GeoSeries(self.arr)
      assert s.crs == 27700
  
      # apply preserves the CRS if the result is a GeoSeries
      result = s.apply(lambda x: x.centroid)
      assert result.crs == 27700
  
imports: import random
  import warnings
  import numpy
  import pandas
  import pyproj
  import pytest
  from shapely.geometry import Point, Polygon, LineString
  from geopandas import GeoSeries, GeoDataFrame, points_from_xy, read_file
  from geopandas.array import from_shapely, from_wkb, from_wkt, GeometryArray
  from geopandas.testing import assert_geodataframe_equal
label_desc: Use image node_id 32 for calling the TestGeometryArrayCRS obj's underlying member method code with example usage: obj.test_apply() without return types