code: def fake_experiment():
      """A fake experiment workflow to test uri
  
      Returns
      -------
          pass_or_not_for_default_uri: bool
          pass_or_not_for_current_uri: bool
          temporary_exp_dir: str
      """
  
      # start exp
      default_uri = R.get_uri()
      current_uri = "file:./temp-test-exp-mag"
      with R.start(
          experiment_name="fake_workflow_for_expm", uri=current_uri
      ):
          R.log_params(**flatten_dict(CSI300_GBDT_TASK))
  
          current_uri_to_check = R.get_uri()
      default_uri_to_check = R.get_uri()
      return (
          default_uri == default_uri_to_check,
          current_uri == current_uri_to_check,
          current_uri,
      )
  
imports: import sys
  import shutil
  import unittest
  import pytest
  from pathlib import Path
  import qlib
  from qlib.config import C
  from qlib.utils import init_instance_by_config, flatten_dict
  from qlib.workflow import R
  from qlib.workflow.record_temp import SignalRecord, SigAnaRecord, PortAnaRecord
  from qlib.tests import TestAutoData
  from qlib.tests.config import CSI300_GBDT_TASK, CSI300_BENCH
label_desc: Use image node_id 2 for calling a global function with example usage: fake_experiment() and returns: unknown,  unknown,  current_uri