code: def test_leaky_relu(self):
      layer = tl.LeakyRelu(a=0.125)
      x = np.array([-2.0, -1.0, 0.0, 2.0, 3.0, 5.0])
      y = layer(x)
      self.assertEqual(
          tl.to_list(y), [-0.25, -0.125, 0.0, 2.0, 3.0, 5.0]
      )
  
file_path: trax/trax/layers/activation_fns_test.py
imports: from absl.testing import absltest
  import numpy
  import trax.layers
label_desc: Use image node_id 3 for calling the ActivationFnsTest obj's underlying member method code with example usage: obj.test_leaky_relu() without return types