code: def fail_if_exception(self, msg):
      try:
          yield
      except Exception:  # pylint: disable=W0703
          trace = tb.format_exc()
          self.fail("{}\b{}".format(msg, trace))
  
imports: from __future__ import unicode_literals
  import json
  import shutil
  import sys
  import tempfile
  import traceback
  from builtins import object
  from contextlib import contextmanager
  from pathlib import Path
  from unittest import TestCase
  from snips_nlu.common.utils import json_string, unicode_string
  from snips_nlu.entity_parser.entity_parser import EntityParser
  from snips_nlu.intent_classifier import IntentClassifier
  from snips_nlu.intent_parser import IntentParser
  from snips_nlu.resources import load_resources
  from snips_nlu.result import empty_result
  from snips_nlu.slot_filler import SlotFiller
label_desc: Use image node_id 3 for calling the SnipsTest obj's underlying member method code with example usage: obj.fail_if_exception(msg) without return types