code: def test_bytes_input(self):
      name = "Tarek Ziadé"
      header = f"author: {name}".encode()
      raw, unparsed = metadata.parse_email(header)
      assert not unparsed
      assert len(raw) == 1
      assert "author" in raw
      assert raw["author"] == name
  
imports: import pathlib
  import pytest
  from packaging import metadata, requirements, specifiers, utils, version
  from packaging.metadata import ExceptionGroup
label_desc: Use image node_id 9 for calling the TestRawMetadata obj's underlying member method code with example usage: obj.test_bytes_input() without return types