code: def test_unary_forward(unary_model):
      """
      Checks that the forward pass doesn't crash when run after various operations
  
      Doesn't check the forward pass for making reasonable answers
      """
      run_forward_checks(unary_model)
  
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 13 for calling a global function with example usage: test_unary_forward(unary_model) without return types