code: def test_tz_convert_single_matches_tz_convert(tz_aware_fixture, freq):
      tz = tz_aware_fixture
      tz_didx = date_range("2018-01-01", "2020-01-01", freq=freq, tz=tz)
      naive_didx = date_range("2018-01-01", "2020-01-01", freq=freq)
  
      _compare_utc_to_local(tz_didx)
      _compare_local_to_utc(tz_didx, naive_didx)
  
file_path: pandas/pandas/tests/tslibs/test_conversion.py
imports: from datetime import datetime
  import numpy
  import pytest
  from pytz import UTC
  from pandas._libs.tslibs import OutOfBoundsTimedelta, astype_overflowsafe, conversion, iNaT, timezones, tz_convert_from_utc, tzconversion
  from pandas import Timestamp, date_range
  import pandas._testing
label_desc: Use image node_id 5 for calling a global function with example usage: test_tz_convert_single_matches_tz_convert(tz_aware_fixture, freq) without return types