code: def test_forward_runs(self):
      out = self.pooler.forward(torch.randn(2, 7, 5))
      assert out.size() == (2, 3)
  
file_path: allennlp/tests/modules/transformer/transformer_pooler_test.py
imports: import copy
  import torch
  from allennlp.common import Params
  from allennlp.modules.transformer import TransformerPooler
  from allennlp.common.testing import AllenNlpTestCase
label_desc: Use image node_id 3 for calling the TestTransformerPooler obj's underlying member method code with example usage: obj.test_forward_runs() without return types