code: def _core_activation(self, **layer_kwargs):
      agreement_test(
          tfe.keras.layers.Activation,
          kwargs=layer_kwargs,
          batch_input_shape=[1, 5],
      )
      layer_test(
          tfe.keras.layers.Activation,
          kwargs=layer_kwargs,
          batch_input_shape=[1, 5],
      )
  
file_path: tf-encrypted/tf_encrypted/keras/layers/activation_test.py
imports: import unittest
  import numpy
  import pytest
  import tensorflow
  import tf_encrypted
  from tf_encrypted.keras.testing_utils import agreement_test
  from tf_encrypted.keras.testing_utils import layer_test
label_desc: Use image node_id 2 for calling the TestActivation obj's underlying member method code with example usage: obj._core_activation() without return types