code: def test_vgg_auto_naming(self):
      print("-" * 20, "test_vgg_auto_naming", "-" * 20)
      test_flag = True
  
      vgg = vgg16()
      vgg_1 = vgg16()
      vgg_2 = vgg16(name="vgg16_2")
      vgg_3 = vgg16()
      vgg_given_name = vgg16(name="a_vgg_model")
  
imports: import os
  import unittest
  import numpy
  import tensorflow
  import tensorlayer
  from tensorlayer.layers import *
  from tensorlayer.models import *
  from tests.utils import CustomTestCase
label_desc: Use image node_id 6 for calling the Auto_Naming_Test obj's underlying member method code with example usage: obj.test_vgg_auto_naming() without return types