code: def test_conv2d_same_padding(self):
      self._core_conv2d(kernel_size=2, padding="same")
  
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 3 for calling the TestConv2d obj's underlying member method code with example usage: obj.test_conv2d_same_padding() without return types