code: def test_assert_layer_exists(self):
      model = KimCNN(10_000, 20)
      _assert_layer_exists(model, "embedding")
  
imports: import unittest
  import pytest
  from small_text.integrations.pytorch.exceptions import PytorchNotFoundError
label_desc: Use image node_id 1 for calling the PytorchIntegrationUtilsTest obj's underlying member method code with example usage: obj.test_assert_layer_exists() without return types