code: def test_working(self):
      assert True
  
file_path: interpret-text/test/unit/test_unified_utils.py
imports: import torch
  from interpret_text.experimental.common.utils_unified import _get_single_embedding, make_bert_embeddings
  from utils_test import get_mnli_test_dataset, get_bert_model
label_desc: Use image node_id 1 for calling the TestUnifiedExplainerUtils obj's underlying member method code with example usage: obj.test_working() without return types