code: def test_repr(self):
      assert repr(CBMonthEnd()) == "<CustomBusinessMonthEnd>"
      assert repr(CBMonthEnd(2)) == "<2 * CustomBusinessMonthEnds>"
  
imports: from __future__ import annotations
  from datetime import date, datetime, timedelta
  import numpy
  import pytest
  from pandas._libs.tslibs.offsets import CBMonthBegin, CBMonthEnd, CDay
  import pandas._testing
  from pandas.tests.tseries.offsets.common import assert_is_on_offset, assert_offset_equal
  from pandas.tseries import offsets
label_desc: Use image node_id 2 for calling the TestCustomBusinessMonthEnd obj's underlying member method code with example usage: obj.test_repr() without return types