code: def test_bald_multiclass(self):
      query_strategy = BALD(dropout_samples=3)
      self._simple_exhaustive_active_learning_test(query_strategy)
  
file_path: small-text/tests/integration/small_text/integrations/transformers/query_strategies/test_query_strategy_bald.py
imports: import unittest
  import pytest
  from small_text.integrations.pytorch.exceptions import PytorchNotFoundError
  from tests.integration.small_text.query_strategies.test_query_strategies import QueryStrategiesExhaustiveIntegrationTest
label_desc: Use image node_id 4 for calling the BaldTest obj's underlying member method code with example usage: obj.test_bald_multiclass() without return types