code: def setUp(self):
      self.labels = [
          "ADJ",
          "ADP",
          "ADV",
          "AUX",
          "CCONJ",
          "DET",
          "INTJ",
          "NOUN",
          "NUM",
          "PART",
          "PRON",
          "PROPN",
          "PUNCT",
          "SCONJ",
          "SYM",
          "VERB",
          "X",
      ]
      self.label_map: Dict[int, str] = {
          i: label for i, label in enumerate(self.labels)
      }
      self.config = BertConfig(
          hidden_size=32,
          num_hidden_layers=4,
          num_attention_heads=4,
          intermediate_size=37,
          num_labels=len(self.labels),
          id2label=self.label_map,
          label2id={label: i for i, label in enumerate(self.labels)},
      )
  
file_path: adapters/tests/test_adapter_save_id2label.py
imports: import unittest
  from tempfile import TemporaryDirectory
  from typing import Dict
  import adapters
  from adapters import BertAdapterModel
  from transformers import BertConfig, BertForSequenceClassification
label_desc: Use image node_id 1 for calling the TestSaveLabel obj's underlying member method code with example usage: obj.setUp() without return types