code: def suite():
      _suite = unittest.TestSuite()
      _suite.addTest(TestAllFlow("test_0_multiseg"))
      _suite.addTest(TestAllFlow("test_1_mse"))
      return _suite
  
file_path: qlib/tests/test_contrib_workflow.py
imports: from qlib.workflow.record_temp import SignalRecord
  import shutil
  import unittest
  import pytest
  from pathlib import Path
  from qlib.contrib.workflow import MultiSegRecord, SignalMseRecord
  from qlib.utils import init_instance_by_config, flatten_dict
  from qlib.workflow import R
  from qlib.tests import TestAutoData
  from qlib.tests.config import GBDT_MODEL, get_dataset_config, CSI300_MARKET
label_desc: Use image node_id 3 for calling a global function with example usage: suite() and returns: _suite