code: def get_input_output_texts(self, tokenizer):
      input_text = "Tôi là VinAI Research"
      output_text = "T<unk> i <unk> <unk> <unk> <unk> <unk> <unk> I Re<unk> e<unk> <unk> <unk> <unk>"
      return input_text, output_text
  
file_path: H2O/h2o_flexgen/benchmark/third_party/transformers/tests/models/phobert/test_tokenization_phobert.py
imports: import os
  import unittest
  from transformers.models.phobert.tokenization_phobert import VOCAB_FILES_NAMES, PhobertTokenizer
  from ...test_tokenization_common import TokenizerTesterMixin
label_desc: Use image node_id 3 for calling the PhobertTokenizationTest obj's underlying member method code with example usage: obj.get_input_output_texts(tokenizer) and returns: input_text,  output_text