code: def test_joblib_provider():
      provider = JobLibProvider()
      results = provider.parallel(task_fn, task_args_iter)
      assert results == [2, 4, 6]
  
file_path: interpret/python/interpret-core/tests/provider/test_providers.py
imports: from interpret.provider import JobLibProvider
  from interpret.provider import AutoVisualizeProvider, DashProvider, PreserveProvider, InlineProvider
  import pytest
  from ..tutils import synthetic_classification
  from interpret.glassbox import LogisticRegression
label_desc: Use image node_id 3 for calling a global function with example usage: test_joblib_provider() without return types