code: def addError(self, test, err):
      self._add_result(test, True, error=self.__makeErrorDict(*err))
      super().addError(test, err)
  
imports: import functools
  import io
  import sys
  import time
  import traceback
  import unittest
  from test import support
label_desc: Use image node_id 6 for calling the RegressionTestResult obj's underlying member method code with example usage: obj.addError(test, err) without return types