code: def pretrain_file():
      return f"{TEST_WORKING_DIR}/in/tiny_emb.pt"
  
imports: import os
  import pytest
  import torch
  from stanza.models.common import pretrain
  from stanza.models.common.utils import set_random_seed
  from stanza.models.constituency import parse_transitions
  from stanza.tests import *
  from stanza.tests.constituency import test_parse_transitions
  from stanza.tests.constituency.test_trainer import build_trainer
label_desc: Use image node_id 1 for calling a global function with example usage: pretrain_file() and returns: TEST_WORKING_DIR, str