code: def test_reset_dir():
      """[Base] Test resetting temp dir."""
      config.set_tmpdir(tmpdir)
      assert config.get_tmpdir() == tmpdir
  
imports: import os
  import subprocess
  import numpy
  from mlens import config
  from mlens.utils import IdTrain
  from mlens.index import FoldIndex, BlendIndex, SubsetIndex, TemporalIndex, ClusteredSubsetIndex, FullIndex
  from mlens.index.base import partition, prune_train
label_desc: Use image node_id 3 for calling a global function with example usage: test_reset_dir() without return types