code: def test_encoder_output_size():
      encoder = ConformerEncoder(20, output_size=256)
      assert encoder.output_size() == 256
  
file_path: espnet/test/espnet2/asr/encoder/test_conformer_encoder.py
imports: import pytest
  import torch
  from espnet2.asr.ctc import CTC
  from espnet2.asr.encoder.conformer_encoder import ConformerEncoder
label_desc: Use image node_id 5 for calling a global function with example usage: test_encoder_output_size() without return types