code: def test_string_split_tokenizer():
      inputs = "Multiple,Elements,Are here!"
      tokenizer = StringSplitTokenizer(",")
      tokens = tokenizer(inputs)
      assert tokens == ["Multiple", "Elements", "Are here!"]
  
file_path: ludwig/tests/ludwig/utils/test_tokenizers.py
imports: import os
  import pytest
  import torch
  import torchtext
  from ludwig.utils.tokenizers import EnglishLemmatizeFilterTokenizer, NgramTokenizer, StringSplitTokenizer
label_desc: Use image node_id 3 for calling a global function with example usage: test_string_split_tokenizer() without return types