code: def get_input_output_texts(self, tokenizer):
      input_text = "UNwant\u00E9d,running"
      output_text = "unwanted, running"
      return input_text, output_text
  
imports: import os
  import unittest
  from transformers import RealmTokenizerFast
  from transformers.models.bert.tokenization_bert import VOCAB_FILES_NAMES, BasicTokenizer, WordpieceTokenizer, _is_control, _is_punctuation, _is_whitespace
  from transformers.models.realm.tokenization_realm import RealmTokenizer
  from transformers.testing_utils import require_tokenizers, slow
  from ...test_tokenization_common import TokenizerTesterMixin, filter_non_english
label_desc: Use image node_id 2 for calling the RealmTokenizationTest obj's underlying member method code with example usage: obj.get_input_output_texts(tokenizer) and returns: input_text,  output_text