code: def test_get_model_efficientnet_default(self):
      self.setup_get_model()
      efficientnet = models.get_model(
          "efficientnet", self.batch_size, self.num_classes
      )
      default_config = efficientnet_model.MODEL_CONFIGS[
          "efficientnet-b0"
      ]
      default_config.num_classes = self.num_classes
      self.assertEqual(efficientnet.config, default_config)
  
imports: import os
  import uuid
  from absl.testing import absltest
  import mock
  import tensorflow
  from tensorflow_cloud.core import machine_config
  from tensorflow_cloud.core import run
  from tensorflow_cloud.core.experimental import models
  from official.legacy.image_classification.efficientnet import efficientnet_model
label_desc: Use image node_id 8 for calling the ModelsTest obj's underlying member method code with example usage: obj.test_get_model_efficientnet_default() without return types