code: def test_dti_repr_time_midnight(
      self, dates, freq, expected_repr, unit
  ):
      # GH53634
      dti = DatetimeIndex(dates, freq).as_unit(unit)
      actual_repr = repr(dti)
      assert actual_repr == expected_repr.replace("[ns]", f"[{unit}]")
  
imports: from datetime import datetime
  import dateutil.tz
  import numpy
  import pytest
  import pytz
  import pandas
  from pandas import DatetimeIndex, NaT, Series
  import pandas._testing
label_desc: Use image node_id 5 for calling the TestDatetimeIndexRendering obj's underlying member method code with example usage: obj.test_dti_repr_time_midnight(dates, freq, expected_repr, unit) without return types