code: def setUpClass(cls):
      super().setUpClass()
  
      with open(TEXT_METADATA_PATH, "r") as f:
          cls.expected_metadata = json.load(f)
  
      cls.texts = [
          "The quick brown 'fox' couldn't jump over the green, grassy hill."
      ]
      cls.priority_words = ["green", "grassy", "hill"]
  
      cls.fairness_texts = [
          "The king and queen have a son named Raj and a daughter named Amanda.",
      ]
  
imports: import json
  import os
  import random
  import unittest
  from typing import Any, Dict, List
  from augly import text
  from augly.utils import TEXT_METADATA_PATH
label_desc: Use image node_id 3 for calling the TransformsTextUnitTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types