code: def test_dt_extract_datetime_component(
      unit_attr: str,
      expected: pl.Series,
      series_of_int_dates: pl.Series,
  ) -> None:
      assert_series_equal(
          getattr(series_of_int_dates.dt, unit_attr)(), expected
      )
  
imports: from __future__ import annotations
  import sys
  from datetime import date, datetime, time, timedelta
  from typing import TYPE_CHECKING
  import pytest
  import polars
  from polars.datatypes import DTYPE_TEMPORAL_UNITS
  from polars.dependencies import _ZONEINFO_AVAILABLE
  from polars.exceptions import ComputeError, InvalidOperationError
  from polars.testing import assert_frame_equal, assert_series_equal
label_desc: Use image node_id 4 for calling a global function with example usage: test_dt_extract_datetime_component(unit_attr, expected, series_of_int_dates) without return types