code: def test_normalize_all(self):
      config_dict = {
          "model": "BPR",
          "dataset": "normalize",
          "data_path": current_path,
          "load_col": None,
          "normalize_all": True,
      }
      dataset = new_dataset(config_dict=config_dict)
      assert (
          dataset.inter_feat["rating"] == [0.0, 0.25, 1.0, 0.75, 0.5]
      ).all()
      assert (
          dataset.inter_feat["star"] == [1.0, 0.5, 0.0, 0.25, 0.75]
      ).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 28 for calling the TestDataset obj's underlying member method code with example usage: obj.test_normalize_all() without return types