code: def testConstructCLIConfigWithoutFile(self):
      config = cli_config.CLIConfig(
          config_file_path=self._tmp_config_path
      )
      self.assertEqual(20, config.get("graph_recursion_depth"))
      self.assertEqual(True, config.get("mouse_mode"))
      with self.assertRaises(KeyError):
          config.get("property_that_should_not_exist")
      self.assertTrue(gfile.Exists(self._tmp_config_path))
  
imports: import json
  import os
  import tempfile
  from tensorflow.python.debug.cli import cli_config
  from tensorflow.python.framework import test_util
  from tensorflow.python.lib.io import file_io
  from tensorflow.python.platform import gfile
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 3 for calling the CLIConfigTest obj's underlying member method code with example usage: obj.testConstructCLIConfigWithoutFile() without return types