code: def test_shape_n2(self):
      self.assertEqual(self.shape_n2[-1], 30)
  
file_path: TensorLayer/tests/pending/test_layers_basic.py
imports: import os
  import unittest
  import tensorflow
  import tensorlayer
  from tests.utils import CustomTestCase
label_desc: Use image node_id 7 for calling the Layer_Basic_Test obj's underlying member method code with example usage: obj.test_shape_n2() without return types