code: def test_albers_conical_equal_area():
      crs = CRS("ESRI:102008")
      expected_cf = {
          "semi_major_axis": 6378137.0,
          "semi_minor_axis": crs.ellipsoid.semi_minor_metre,
          "inverse_flattening": crs.ellipsoid.inverse_flattening,
          "reference_ellipsoid_name": "GRS 1980",
          "longitude_of_prime_meridian": 0.0,
          "prime_meridian_name": "Greenwich",
          "geographic_crs_name": "NAD83",
          "horizontal_datum_name": "North American Datum 1983",
          "projected_crs_name": "North_America_Albers_Equal_Area_Conic",
          "grid_mapping_name": "albers_conical_equal_area",
          "standard_parallel": (20.0, 60.0),
          "latitude_of_projection_origin": 40.0,
          "longitude_of_central_meridian": -96.0,
          "false_easting": 0.0,
          "false_northing": 0.0,
      }
      cf_dict = crs.to_cf()
      assert cf_dict.pop("crs_wkt").startswith("PROJCRS[")
      assert cf_dict == expected_cf
      # test roundtrip
      _test_roundtrip(expected_cf, "PROJCRS[")
      # test coordinate system
      assert crs.cs_to_cf() == [
          {
              "axis": "X",
              "long_name": "Easting",
              "standard_name": "projection_x_coordinate",
              "units": "metre",
          },
          {
              "axis": "Y",
              "long_name": "Northing",
              "standard_name": "projection_y_coordinate",
              "units": "metre",
          },
      ]
  
imports: import numpy
  import pytest
  from numpy.testing import assert_almost_equal
  from packaging import version
  from pyproj import CRS
  from pyproj.crs import ProjectedCRS
  from pyproj.crs._cf1x8 import _try_list_if_string
  from pyproj.crs.coordinate_operation import LambertAzimuthalEqualAreaConversion, LambertCylindricalEqualAreaConversion, MercatorAConversion, OrthographicConversion, PolarStereographicAConversion, PolarStereographicBConversion, SinusoidalConversion, StereographicConversion, VerticalPerspectiveConversion
  from pyproj.exceptions import CRSError
  from test.conftest import PROJ_GTE_901, PROJ_LOOSE_VERSION
label_desc: Use image node_id 27 for calling a global function with example usage: test_albers_conical_equal_area() without return types