code: def test_getitem_slice_keeps_name(self):
      # GH#4226
      tdi = timedelta_range("1d", "5d", freq="h", name="timebucket")
      assert tdi[1:].name == tdi.name
  
imports: from datetime import datetime
  import re
  import numpy
  import pytest
  from pandas import Index, NaT, Timedelta, TimedeltaIndex, Timestamp, notna, offsets, timedelta_range, to_timedelta
  import pandas._testing
label_desc: Use image node_id 1 for calling the TestGetItem obj's underlying member method code with example usage: obj.test_getitem_slice_keeps_name() without return types