code: def test_log_loss_wrong_classes(self, labels, pred):
      self.assertRaises(
          ValueError, utils.log_loss, labels=labels, pred=pred
      )
  
imports: from unittest import mock
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from tensorflow_privacy.privacy.privacy_tests import utils
label_desc: Use image node_id 8 for calling the TestLogLoss obj's underlying member method code with example usage: obj.test_log_loss_wrong_classes(labels, pred) without return types