code: def test_load_caffe_model(self):
      resource_path = os.path.join(
          os.path.split(__file__)[0], "../resources"
      )
      model_path = os.path.join(
          resource_path, "models/caffe/test_persist.caffemodel"
      )
      def_path = os.path.join(
          resource_path, "models/caffe/test_persist.prototxt"
      )
      model = Net.load_caffe(def_path, model_path)
      model2 = model.new_graph(["ip"])
      model2.freeze_up_to(["conv2"])
      model2.unfreeze()
  
imports: import pytest
  import keras.layers
  from keras.models import Sequential
  from test.bigdl.test_zoo_utils import ZooTestCase
  import bigdl.dllib.keras.layers
  from bigdl.dllib.keras.models import Model
  from bigdl.dllib.keras.models import Sequential
  from bigdl.dllib.net import Net
  from bigdl.dllib.nn.layer import Linear, Sigmoid, SoftMax, Model
  from bigdl.dllib.utils.common import *
  from bigdl.dllib.nn.layer import Sequential
label_desc: Use image node_id 2 for calling the TestLayer obj's underlying member method code with example usage: obj.test_load_caffe_model() without return types