code: def test_get_slots_should_raise_with_unknown_intent(self):
      # Given
      slots_dataset_stream = io.StringIO(
          """
  ---
  type: intent
  name: greeting1
  utterances:
    - Hello [name1](John)
  
  ---
  type: intent
  name: goodbye
  utterances:
    - Goodbye [name](Eric)"""
      )
      dataset = Dataset.from_yaml_files(
          "en", [slots_dataset_stream]
      ).json
      parser = LookupIntentParser().fit(dataset)
  
      # When / Then
      with self.assertRaises(IntentNotFoundError):
          parser.get_slots("Hello John", "greeting3")
  
imports: from __future__ import unicode_literals
  import io
  from copy import deepcopy
  from mock import patch
  from snips_nlu_utils import hash_str
  from snips_nlu.constants import DATA, ENTITY, RES_ENTITY, RES_INTENT, RES_INTENT_NAME, RES_PROBA, RES_SLOTS, RES_VALUE, SLOT_NAME, TEXT, STOP_WORDS
  from snips_nlu.dataset import Dataset
  from snips_nlu.entity_parser import BuiltinEntityParser
  from snips_nlu.exceptions import IntentNotFoundError, NotTrained
  from snips_nlu.intent_parser import LookupIntentParser
  from snips_nlu.intent_parser.lookup_intent_parser import _get_entity_scopes
  from snips_nlu.pipeline.configs import LookupIntentParserConfig
  from snips_nlu.result import empty_result, extraction_result, intent_classification_result, unresolved_slot, parsing_result
  from snips_nlu.tests.utils import FixtureTest, TEST_PATH, EntityParserMock
label_desc: Use image node_id 18 for calling the TestLookupIntentParser obj's underlying member method code with example usage: obj.test_get_slots_should_raise_with_unknown_intent() without return types