code: def test_build_preset_model(self):
      configs = [{"name": f"efficientnet_b{i}" for i in range(8)}]
      for config in configs:
          model = build_model(config)
          self.assertIsInstance(model, EfficientNet)
  
file_path: ClassyVision/test/models_efficientnet_test.py
imports: import unittest
  import torch
  from classy_vision.models import build_model, EfficientNet
label_desc: Use image node_id 3 for calling the TestEfficientNetModel obj's underlying member method code with example usage: obj.test_build_preset_model() without return types