code: def test_setitem_same_but_unordered(self, categories):
      # GH-24142
      other = Categorical(["b", "a"], categories=categories)
      target = Categorical(["a", "b"], categories=["a", "b"])
      mask = np.array([True, False])
      target[mask] = other[mask]
      expected = Categorical(["b", "b"], categories=["a", "b"])
      tm.assert_categorical_equal(target, expected)
  
imports: import math
  import numpy
  import pytest
  from pandas import NA, Categorical, CategoricalIndex, Index, Interval, IntervalIndex, NaT, PeriodIndex, Series, Timedelta, Timestamp
  import pandas._testing
  import pandas.core.common
label_desc: Use image node_id 3 for calling the TestCategoricalIndexingWithFactor obj's underlying member method code with example usage: obj.test_setitem_same_but_unordered(categories) without return types