code: def test_infer_freq_non_nano_tzaware(tz_aware_fixture):
      tz = tz_aware_fixture
  
      dti = date_range("2016-01-01", periods=365, freq="B", tz=tz)
      dta = dti._data.as_unit("s")
  
      res = frequencies.infer_freq(dta)
      assert res == "B"
  
imports: from datetime import datetime, timedelta
  import numpy
  import pytest
  from pandas._libs.tslibs.ccalendar import DAYS, MONTHS
  from pandas._libs.tslibs.offsets import _get_offset
  from pandas._libs.tslibs.period import INVALID_FREQ_ERR_MSG
  from pandas.compat import is_platform_windows
  from pandas import DatetimeIndex, Index, RangeIndex, Series, Timestamp, date_range, period_range
  import pandas._testing
  from pandas.core.arrays import DatetimeArray, TimedeltaArray
  from pandas.core.tools.datetimes import to_datetime
  from pandas.tseries import frequencies, offsets
label_desc: Use image node_id 35 for calling a global function with example usage: test_infer_freq_non_nano_tzaware(tz_aware_fixture) without return types