docstr: Test the whole thing for a few iterations on the fake data
  
  This tests that it works if you give it a silver file
  The check for the use of the silver data is that the
  number of batches trained should go up
docstr_tok: ["Test","the","whole","thing","for","a","few","iterations","on","the","fake","data","This","tests","that","it","works","if","you","give","it","a","silver","file","The","check","for","the","use","of","the","silver","data","is","that","the","number","of","batches","trained","should","go","up"]
code: def test_train_silver(self, wordvec_pretrain_file):
      """
      Test the whole thing for a few iterations on the fake data
  
      This tests that it works if you give it a silver file
      The check for the use of the silver data is that the
      number of batches trained should go up
      """
      with tempfile.TemporaryDirectory(
          dir=TEST_WORKING_DIR
      ) as tmpdirname:
          self.run_train_test(
              wordvec_pretrain_file, tmpdirname, use_silver=True
          )
  
imports: from collections import defaultdict
  import logging
  import pathlib
  import tempfile
  import pytest
  import torch
  from torch import optim
  from stanza import Pipeline
  from stanza.models import constituency_parser
  from stanza.models.common import pretrain
  from stanza.models.common.bert_embedding import load_bert, load_tokenizer
  from stanza.models.common.foundation_cache import FoundationCache
  from stanza.models.common.utils import set_random_seed
  from stanza.models.constituency import lstm_model
  from stanza.models.constituency import trainer
  from stanza.models.constituency import tree_reader
  from stanza.tests import *
label_desc: Use image node_id 11 for calling the TestTrainer obj's underlying member method code with example usage: obj.test_train_silver(wordvec_pretrain_file) without return types