code: def test_mish(self):
      for i in range(-5, 15):
          good_output = i * np.tanh(np.math.log(1 + np.math.exp(i)))
  
          computed_output = tl.act.mish(float(i))
  
          self.assertAlmostEqual(
              computed_output.numpy(), good_output, places=5
          )
  
file_path: TensorLayer/tests/test_activations.py
imports: import os
  import unittest
  import numpy
  import tensorlayer
  from tests.utils import CustomTestCase
label_desc: Use image node_id 9 for calling the Test_Leaky_ReLUs obj's underlying member method code with example usage: obj.test_mish() without return types