code: def test_lenet(self):
      K.set_image_dim_ordering("th")
      (
          kmodel,
          input_data,
          output_data,
      ) = TestModels.kmodel_seq_lenet_mnist()
      self.modelTest(input_data, kmodel, dump_weights=True)
  
file_path: BigDL/python/dllib/test/bigdl/nn/test_application.py
imports: from __future__ import print_function
  from keras.layers import *
  import pytest
  from keras.applications import *
  from bigdl.dllib.keras.converter import *
  from keras.applications.music_tagger_crnn import MusicTaggerCRNN
  from test.bigdl.test_utils import BigDLTestCase, TestModels
  from bigdl.dllib.nn.keras.backend import *
label_desc: Use image node_id 2 for calling the TestApplication obj's underlying member method code with example usage: obj.test_lenet() without return types