code: def test_set_label_by_threshold(self):
      config_dict = {
          "model": "BPR",
          "dataset": "set_label_by_threshold",
          "data_path": current_path,
          "load_col": None,
          "threshold": {
              "rating": 4,
          },
          "normalize_field": None,
          "normalize_all": None,
      }
      dataset = new_dataset(config_dict=config_dict)
      assert (dataset.inter_feat["label"] == [1.0, 0.0, 1.0, 0.0]).all()
  
imports: import logging
  import os
  import pytest
  from recbole.config import Config
  from recbole.data import create_dataset
  from recbole.utils import init_seed
label_desc: Use image node_id 27 for calling the TestDataset obj's underlying member method code with example usage: obj.test_set_label_by_threshold() without return types