code: def run(self, test):
      test(self.result)
      return self.result
  
imports: import functools
  import io
  import sys
  import time
  import traceback
  import unittest
  from test import support
label_desc: Use image node_id 2 for calling the QuietRegressionTestRunner obj's underlying member method code with example usage: obj.run(test) and returns: self