code: def test_auc(self):
      name = "auc"
      self.assertEqual(get_result(name, case=0), 0)
      self.assertEqual(get_result(name, case=1), 2 / (2 * 2))
  
file_path: RecBole/tests/metrics/test_loss_metrics.py
imports: import os
  import sys
  import unittest
  import numpy
  from recbole.config import Config
  from recbole.evaluator.register import metrics_dict
label_desc: Use image node_id 1 for calling the TestLossMetrics obj's underlying member method code with example usage: obj.test_auc() without return types