code: def get_input_output_texts(self, tokenizer):
      input_text = "this is a test"
      output_text = "this is a test"
      return input_text, output_text
  
imports: import unittest
  from transformers import SPIECE_UNDERLINE
  from transformers.models.speecht5 import SpeechT5Tokenizer
  from transformers.testing_utils import get_tests_dir, require_sentencepiece, require_tokenizers, slow
  from transformers.tokenization_utils import AddedToken
  from ...test_tokenization_common import TokenizerTesterMixin
label_desc: Use image node_id 2 for calling the SpeechT5TokenizerTest obj's underlying member method code with example usage: obj.get_input_output_texts(tokenizer) and returns: input_text,  output_text