imports: import dataclasses
  import json
  from typing import Any
  from .utils import StrJSON, TestName, FilterTuple, format_duration, normalize_test_name, print_warning
label_desc: Use image node_id 3 for calling the TestResult obj's underlying member method code with example usage: obj.__str__() and returns: self, str, self, self, str, self, str, self, str, self, str, self, str, self, str, self, str, self, str, self, str, self, str, format_duration, str