code: def test_auc_works_without_calling_metric_at_all(self, device: str):
      auc = Auc()
      auc.get_metric()
  
file_path: allennlp/tests/training/metrics/auc_test.py
imports: import pytest
  import torch
  from sklearn import metrics
  from torch.testing import assert_allclose
  from allennlp.common.checks import ConfigurationError
  from allennlp.common.testing import AllenNlpTestCase, multi_device, global_distributed_metric, run_distributed_test
  from allennlp.training.metrics import Auc
label_desc: Use image node_id 4 for calling the AucTest obj's underlying member method code with example usage: obj.test_auc_works_without_calling_metric_at_all(device) without return types