code: def test_install_dependencies_no_file_exists(
      bootstrap_runtime, list_dir
  ):
      bootstrap._install_dependencies(
          TEST_DEPENDENCIES_PATH,
          TEST_JOB_CONDA_ENV,
          TEST_PYTHON_VERSION,
          REMOTE_FUNCTION_CHANNEL,
      )
      list_dir.assert_called_once_with(TEST_DEPENDENCIES_PATH)
      bootstrap_runtime.assert_not_called()
  
imports: from __future__ import absolute_import
  from mock import patch
  from mock.mock import MagicMock
  from sagemaker.remote_function.runtime_environment.runtime_environment_manager import RuntimeEnvironmentError, _DependencySettings
  import sagemaker.remote_function.runtime_environment.bootstrap_runtime_environment
  import pathlib
label_desc: Use image node_id 13 for calling a global function with example usage: test_install_dependencies_no_file_exists(bootstrap_runtime, list_dir) without return types