code: def test_b1(self):
      self.assertEqual(self._b1.shape, (4, 3, 2, 1))
  
      b1 = np.array(
          [
              [
                  [
                      [0.5431],
                      [0.5431],
                  ],
                  [
                      [0.5431],
                      [0.5431],
                  ],
                  [
                      [0.5431],
                      [0.5431],
                  ],
              ],
              [
                  [
                      [0.5431],
                      [0.5431],
                  ],
                  [
                      [0.5431],
                      [0.5431],
                  ],
                  [
                      [0.5431],
                      [0.5431],
                  ],
              ],
              [
                  [
                      [0.5431],
                      [0.5431],
                  ],
                  [
                      [0.5431],
                      [0.5431],
                  ],
                  [
                      [0.5431],
                      [0.5431],
                  ],
              ],
              [
                  [
                      [0.5431],
                      [0.5431],
                  ],
                  [
                      [0.5431],
                      [0.5431],
                  ],
                  [
                      [0.5431],
                      [0.5431],
                  ],
              ],
          ]
      )
  
      np.array_equal(self._b1, b1)
  
imports: import os
  import unittest
  import numpy
  import tensorflow
  import tensorlayer
  from tests.utils import CustomTestCase
label_desc: Use image node_id 3 for calling the Array_Op_Alphas_Test obj's underlying member method code with example usage: obj.test_b1() without return types