code: def test_layer_n2(self):
      self.assertEqual(self.n2.shape, (4, 2, 5))
  
file_path: TensorLayer/tests/layers/test_layers_stack.py
imports: import os
  import unittest
  import tensorflow
  import tensorlayer
  from tensorlayer.layers import *
  from tensorlayer.models import *
  from tests.utils import CustomTestCase
label_desc: Use image node_id 4 for calling the Layer_Stack_Test obj's underlying member method code with example usage: obj.test_layer_n2() without return types