code: def test_net_layers(self):
      self.assertEqual(len(self.net_layers), 14)
  
file_path: TensorLayer/tests/pending/test_layers_flow_control.py
imports: import os
  import unittest
  import tensorflow
  import tensorlayer
  from tests.utils import CustomTestCase
label_desc: Use image node_id 4 for calling the Layer_Flow_Control_Test obj's underlying member method code with example usage: obj.test_net_layers() without return types