code: def test_layer_n1(self):
      print(self.n1[0])
      self.assertEqual(tf.reduce_sum(self.n1).numpy() % 1, 0.0)
  
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 3 for calling the Layer_BinaryDense_Test obj's underlying member method code with example usage: obj.test_layer_n1() without return types