code: def test_b_undecodable_bytes_ignored_with_defect(self):
      self._test(
          b"=?us-ascii?b?dm\xACk?=".decode(
              "us-ascii", "surrogateescape"
          ),
          "vi",
          defects=[
              errors.InvalidBase64CharactersDefect,
              errors.InvalidBase64PaddingDefect,
          ],
      )
  
imports: import unittest
  from email import _encoded_words
  from email import errors
  from test.test_email import TestEmailBase
label_desc: Use image node_id 9 for calling the TestDecode obj's underlying member method code with example usage: obj.test_b_undecodable_bytes_ignored_with_defect() without return types