code: def test_to_frame_respects_name_none(self):
      # GH#44212 if we explicitly pass name=None, then that should be respected,
      #  not changed to 0
      # GH-45448 this is first deprecated & enforced in 2.0
      ser = Series(range(3))
      result = ser.to_frame(None)
  
      exp_index = Index([None], dtype=object)
      tm.assert_index_equal(result.columns, exp_index)
  
      result = ser.rename("foo").to_frame(None)
      exp_index = Index([None], dtype=object)
      tm.assert_index_equal(result.columns, exp_index)
  
imports: import pytest
  from pandas import DataFrame, Index, Series
  import pandas._testing
label_desc: Use image node_id 1 for calling the TestToFrame obj's underlying member method code with example usage: obj.test_to_frame_respects_name_none() without return types