code: def test_custom_evaluate_timeout_valid(
      self, mock_state, mock_get_state_from_file, mock_path_exists
  ):
      self.assertTrue(self.config_file is not None)
      config_file = self.config_file
      config_file.write(
          "[TabPy]\n" "TABPY_EVALUATE_TIMEOUT = 1996".encode()
      )
      config_file.close()
  
      app = TabPyApp(self.config_file.name)
      self.assertEqual(app.settings["evaluate_timeout"], 1996.0)
  
imports: import os
  import unittest
  from tempfile import NamedTemporaryFile
  import tabpy
  from tabpy.tabpy_server.app.util import validate_cert
  from tabpy.tabpy_server.app.app import TabPyApp
  from unittest.mock import patch
label_desc: Use image node_id 4 for calling the TestPartialConfigFile obj's underlying member method code with example usage: obj.test_custom_evaluate_timeout_valid(mock_state, mock_get_state_from_file, mock_path_exists) without return types