code: def test_stream_deserializer():
      deserializer = StreamDeserializer()
  
      stream, content_type = deserializer.deserialize(
          io.BytesIO(b"[1, 2, 3]"), "application/json"
      )
      try:
          result = stream.read()
      finally:
          stream.close()
  
      assert result == b"[1, 2, 3]"
      assert content_type == "application/json"
  
imports: from __future__ import absolute_import
  import io
  import json
  import numpy
  import pandas
  import pytest
  from sagemaker.deserializers import StringDeserializer, BytesDeserializer, CSVDeserializer, StreamDeserializer, NumpyDeserializer, JSONDeserializer, PandasDeserializer, JSONLinesDeserializer
label_desc: Use image node_id 8 for calling a global function with example usage: test_stream_deserializer() without return types