code: def test_get_decoder(lhuc):
      config = sockeye.transformer.TransformerConfig(
          model_size=20,
          attention_heads=10,
          feed_forward_num_hidden=30,
          act_type="test_act",
          num_layers=50,
          dropout_attention=0.5,
          dropout_act=0.6,
          dropout_prepost=0.1,
          positional_embedding_type=C.FIXED_POSITIONAL_EMBEDDING,
          preprocess_sequence=C.FIXED_POSITIONAL_EMBEDDING,
          postprocess_sequence="test_post_seq",
          max_seq_len_source=60,
          max_seq_len_target=70,
          block_prepended_cross_attention=True,
          use_lhuc=lhuc,
      )
      decoder = sockeye.decoder.get_decoder(
          config, inference_only=False
      )
  
      assert type(decoder) == sockeye.decoder.TransformerDecoder
  
imports: import pytest
  import sockeye.constants
  import sockeye.decoder
  import sockeye.transformer
label_desc: Use image node_id 1 for calling a global function with example usage: test_get_decoder(lhuc) without return types