code: def setUp(self):
      BARTNoising.set_random_seed(1234)
      self.MASK_TOK = "[MASK]"
      self.FAKE_VOCAB = "[TESTING]"
  
imports: import unittest
  import copy
  import yaml
  import math
  from argparse import Namespace
  from onmt.transforms import get_transforms_cls, get_specials, make_transforms, TransformPipe
  from onmt.transforms.bart import BARTNoising
label_desc: Use image node_id 1 for calling the TestBARTNoising obj's underlying member method code with example usage: obj.setUp() without return types