code: def test_len_eq_n():
      word_str_ser = cudf.Series(["a", "abcd", "abc", "abcd"])
      got = len_eq_n(word_str_ser, 3).values.get()
      expect = np.asarray([False, False, True, False])
      np.testing.assert_array_equal(got, expect)
  
imports: from cuml.preprocessing.text.stem.porter_stemmer_utils.len_flags_utils import len_eq_n, len_gt_n
  from cuml.internals.safe_imports import cpu_only_import
  from cuml.internals.safe_imports import gpu_only_import
label_desc: Use image node_id 2 for calling a global function with example usage: test_len_eq_n() without return types