code: def test_jaccard_index():
      str1 = cudf.Series(["the brown dog", "jumped about"])
      str2 = cudf.Series(["the black cat", "jumped around"])
  
      expected = cudf.Series([0.058824, 0.307692], dtype=np.float32)
      actual = str1.str.jaccard_index(str2, 5)
      assert_eq(expected, actual)
  
      actual = str2.str.jaccard_index(str1, 5)
      assert_eq(expected, actual)
  
      with pytest.raises(ValueError):
          str1.str.jaccard_index(str2, 1)
      with pytest.raises(ValueError):
          str3 = cudf.Series(["not enough rows"])
          str1.str.jaccard_index(str3, 5)
  
imports: import random
  import string
  import numpy
  import pytest
  import cudf
  from cudf.core.byte_pair_encoding import BytePairEncoder
  from cudf.core.tokenize_vocabulary import TokenizeVocabulary
  from cudf.testing._utils import assert_eq
label_desc: Use image node_id 23 for calling a global function with example usage: test_jaccard_index() without return types