code: def test_init_default(self):
      stopping_handler = EarlyStopping(self.get_metric())
      self.assertIsNotNone(stopping_handler._history)
      self.assertEqual((0,), stopping_handler._history.shape)
      self.assertEqual(
          self.get_metric().name, stopping_handler.metric.name
      )
      self.assertEqual(1e-14, stopping_handler.min_delta)
      self.assertEqual(5, stopping_handler.patience)
      self.assertEqual(0, stopping_handler.threshold)
  
imports: import unittest
  from small_text.training.early_stopping import EarlyStopping, NoopEarlyStopping, EarlyStoppingAndCondition, EarlyStoppingOrCondition
  from small_text.training.metrics import Metric
label_desc: Use image node_id 2 for calling the LossBasedEarlyStoppingTest obj's underlying member method code with example usage: obj.test_init_default() without return types