code: def test_text2tokens(spm_tokenizer: SentencepiecesTokenizer):
      assert (
          spm_tokenizer.tokens2text(spm_tokenizer.text2tokens("Hello"))
          == "Hello"
      )
  
file_path: espnet/test/espnet2/text/test_sentencepiece_tokenizer.py
imports: import string
  from pathlib import Path
  import pytest
  import sentencepiece
  from espnet2.text.sentencepiece_tokenizer import SentencepiecesTokenizer
label_desc: Use image node_id 4 for calling a global function with example usage: test_text2tokens(spm_tokenizer) without return types