code: def setUp(self):
      self.dict_field = DictFeatureField(
          batch_first=True,
          pad_token=VocabMeta.PAD_TOKEN,
          unk_token=VocabMeta.UNK_TOKEN,
          left_pad=False,
      )
      self.dict_field.build_vocab(FEATS_VOCAB)
      print(self.dict_field.vocab.stoi)
  
file_path: pytext/pytext/fields/test/dict_field_test.py
imports: import unittest
  import numpy
  from pytext.common.constants import VocabMeta
  from pytext.fields.dict_field import DictFeatureField
  from pytext.utils import precision
label_desc: Use image node_id 1 for calling the DictFieldTest obj's underlying member method code with example usage: obj.setUp() without return types