code: def test_normalize(self):
      dt = datetime(2007, 1, 1, 3)
  
      result = dt + MonthEnd(normalize=True)
      expected = dt.replace(hour=0) + MonthEnd()
      assert result == expected
  
imports: from __future__ import annotations
  from datetime import datetime
  import pytest
  from pandas._libs.tslibs import Timestamp
  from pandas._libs.tslibs.offsets import MonthBegin, MonthEnd, SemiMonthBegin, SemiMonthEnd
  from pandas import DatetimeIndex, Series, _testing
  from pandas.tests.tseries.offsets.common import assert_is_on_offset, assert_offset_equal
label_desc: Use image node_id 2 for calling the TestMonthEnd obj's underlying member method code with example usage: obj.test_normalize() without return types