code: def test_categorical_set_categories():
      cat = pd.Categorical(
          ["a", "a", "b", "c", "a"], categories=["a", "b", "c"]
      )
      psr = pd.Series(cat)
      sr = cudf.Series.from_categorical(cat)
  
      # adding category
      expect = psr.cat.set_categories(["a", "b", "c", "d"])
      got = sr.cat.set_categories(["a", "b", "c", "d"])
      assert_eq(expect, got)
  
      # removing category
      expect = psr.cat.set_categories(["a", "b"])
      got = sr.cat.set_categories(["a", "b"])
      assert_eq(expect, got)
  
imports: import operator
  import string
  import warnings
  from contextlib import contextmanager
  from textwrap import dedent
  import numpy
  import pandas
  import pytest
  import cudf
  from cudf.core._compat import PANDAS_GE_134
  from cudf.testing._utils import NUMERIC_TYPES, assert_eq, assert_exceptions_equal, expect_warning_if
label_desc: Use image node_id 17 for calling a global function with example usage: test_categorical_set_categories() without return types