code: def test_get_bool_data_preserve_dtype(self):
      ser = Series([True, False, True])
      result = ser._get_bool_data()
      tm.assert_series_equal(result, ser)
  
file_path: pandas/pandas/tests/generic/test_series.py
imports: from operator import methodcaller
  import numpy
  import pytest
  import pandas
  from pandas import MultiIndex, Series, date_range
  import pandas._testing
label_desc: Use image node_id 3 for calling the TestSeries obj's underlying member method code with example usage: obj.test_get_bool_data_preserve_dtype() without return types