code: def test_create(self):
      labels = fo.Classification(label="cow", confidence=0.98)
      self.assertIsInstance(labels, fo.Classification)
  
      with self.assertRaises(Exception):
          fo.Classification(label=100)
  
imports: import time
  import unittest
  from unittest.mock import MagicMock, patch
  import numpy
  import fiftyone
  import fiftyone.constants
  import fiftyone.core.media
  import fiftyone.core.odm
  import fiftyone.core.utils
  from fiftyone.migrations.runner import MigrationRunner
  from decorators import drop_datasets
  from bson import ObjectId
  from fiftyone.core.odm.utils import load_dataset
label_desc: Use image node_id 1 for calling the LabelsTests obj's underlying member method code with example usage: obj.test_create() without return types