code: def setUpClass(cls):
      cls.data = (10 + 10) * np.random.random(size=[10, 5]).astype(
          np.float32
      ) - 10
      cls.data2 = (10 + 10) * np.random.random(size=[10, 10, 5]).astype(
          np.float32
      ) - 10
  
file_path: TensorLayer/tests/layers/test_layers_activation.py
imports: import os
  import unittest
  import numpy
  import tensorflow
  import tensorlayer
  from tests.utils import CustomTestCase
label_desc: Use image node_id 1 for calling the Activation_Layer_Test obj's underlying member method code with example usage: obj.setUpClass(cls) without return types