code: def test_transcode_bad_utf8_with_some_good(self):
      bad_string = b"abc\xffabcdefg"
      with self.cached_session() as sess:
          outputs = string_ops.unicode_transcode(
              bad_string,
              input_encoding="UTF-8",
              output_encoding="UTF-8",
              errors="replace",
              replacement_char=ord(" "),
              replace_control_characters=False,
          )
          values = self.evaluate(outputs)
          self.assertAllEqual(values, b"abc abcdefg")
  
imports: from absl.testing import parameterized
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import string_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 4 for calling the UnicodeTranscodeOpTest obj's underlying member method code with example usage: obj.test_transcode_bad_utf8_with_some_good() without return types