code: def test_to_csv_headers(self):
      # GH6186, the presence or absence of `index` incorrectly
      # causes to_csv to have different header semantics.
      from_df = DataFrame([[1, 2], [3, 4]], columns=["A", "B"])
      to_df = DataFrame([[1, 2], [3, 4]], columns=["X", "Y"])
      with tm.ensure_clean("__tmp_to_csv_headers__") as path:
          from_df.to_csv(path, header=["X", "Y"])
          recons = self.read_csv(path)
  
          tm.assert_frame_equal(to_df, recons)
  
          from_df.to_csv(path, index=False, header=["X", "Y"])
          recons = self.read_csv(path)
  
          return_value = recons.reset_index(inplace=True)
          assert return_value is None
          tm.assert_frame_equal(to_df, recons)
  
imports: import csv
  from io import StringIO
  import os
  import numpy
  import pytest
  from pandas.errors import ParserError
  import pandas
  from pandas import DataFrame, Index, MultiIndex, NaT, Series, Timestamp, date_range, period_range, read_csv, to_datetime
  import pandas._testing
  import pandas.core.common
  from pandas.io.common import get_handle
label_desc: Use image node_id 22 for calling the TestDataFrameToCSV obj's underlying member method code with example usage: obj.test_to_csv_headers() without return types