code: def test_unordered_different_categories_raises(self):
      c1 = Categorical(["a", "b"], categories=["a", "b"], ordered=False)
      c2 = Categorical(["a", "c"], categories=["c", "a"], ordered=False)
  
      with pytest.raises(
          TypeError, match=("Categoricals can only be compared")
      ):
          c1 == c2
  
imports: import numpy
  import pytest
  import pandas
  from pandas import Categorical, DataFrame, Series, Timestamp, date_range
  import pandas._testing
label_desc: Use image node_id 12 for calling the TestCategoricalOps obj's underlying member method code with example usage: obj.test_unordered_different_categories_raises() without return types