code: def test_init(self, weak_labels):
      from snorkel.labeling.model import LabelModel as SnorkelLabelModel
  
      label_model = Snorkel(weak_labels)
  
      assert label_model.weak_labels is weak_labels
      assert isinstance(label_model._model, SnorkelLabelModel)
      assert label_model._model.cardinality == 3
  
imports: import sys
  import numpy
  import pytest
  from argilla.client.models import TextClassificationRecord
  from argilla.labeling.text_classification import FlyingSquid, Snorkel, WeakLabels, WeakMultiLabels
  from argilla.labeling.text_classification.label_models import LabelModel, MajorityVoter, MissingAnnotationError, NotFittedError, TieBreakPolicy, TooFewRulesError
label_desc: Use image node_id 2 for calling the TestSnorkel obj's underlying member method code with example usage: obj.test_init(weak_labels) without return types