code: def test_slice(self):
      s = GeoSeries(self.arr, crs=27700)
      assert s.iloc[1:].values.crs == self.osgb
  
      df = GeoDataFrame({"col1": self.arr}, geometry=s)
      assert df.iloc[1:].geometry.values.crs == self.osgb
      assert df.iloc[1:].col1.values.crs == self.osgb
  
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 27 for calling the TestGeometryArrayCRS obj's underlying member method code with example usage: obj.test_slice() without return types