code: def test_to_frame_respects_none_name(self):
      # GH#44212 if we explicitly pass name=None, then that should be respected,
      #  not changed to 0
      # GH-45448 this is first deprecated to only change in the future
      idx = date_range(
          start="2019-01-01", end="2019-01-30", freq="D", tz="UTC"
      )
      result = idx.to_frame(name=None)
      exp_idx = Index([None], dtype=object)
      tm.assert_index_equal(exp_idx, result.columns)
  
      result = idx.rename("foo").to_frame(name=None)
      exp_idx = Index([None], dtype=object)
      tm.assert_index_equal(exp_idx, result.columns)
  
imports: from pandas import DataFrame, Index, date_range
  import pandas._testing
label_desc: Use image node_id 2 for calling the TestToFrame obj's underlying member method code with example usage: obj.test_to_frame_respects_none_name() without return types