code: def test_timedelta_units_H_T_S_L_U_N_deprecated(
      self, depr_unit, unit
  ):
      # GH#52536
      depr_msg = f"'{depr_unit}' is deprecated and will be removed in a future version."
  
      expected = to_timedelta(np.arange(5), unit=unit)
      with tm.assert_produces_warning(FutureWarning, match=depr_msg):
          result = to_timedelta(np.arange(5), unit=depr_unit)
          tm.assert_index_equal(result, expected)
  
file_path: pandas/pandas/tests/indexes/timedeltas/test_timedelta_range.py
imports: import numpy
  import pytest
  from pandas import Timedelta, TimedeltaIndex, timedelta_range, to_timedelta
  import pandas._testing
  from pandas.tseries.offsets import Day, Second
label_desc: Use image node_id 3 for calling the TestTimedeltas obj's underlying member method code with example usage: obj.test_timedelta_units_H_T_S_L_U_N_deprecated(depr_unit, unit) without return types