code: def test_setstate_validates_input_bytes(self):
      encoder = codecs.getincrementalencoder("euc_jp")()
      invalid_utf8 = int.from_bytes(
          b"\x01" b"\xff" b"\x00\x00\x00\x00\x00\x00\x00\x00", "little"
      )
      self.assertRaises(
          UnicodeDecodeError, encoder.setstate, invalid_utf8
      )
  
imports: import _multibytecodec
  import codecs
  import io
  import sys
  import textwrap
  import unittest
  from test import support
  from test.support import os_helper
  from test.support.os_helper import TESTFN
label_desc: Use image node_id 8 for calling the Test_IncrementalEncoder obj's underlying member method code with example usage: obj.test_setstate_validates_input_bytes() without return types