docstr: Switch between the current working window and the new opened one.
code: def toggle_window(self):
      """Switch between the current working window and the new opened one."""
      idx = (self._window_idx + 1) % 2
      self.switch_window(idx=idx)
      self._window_idx += 1
  
imports: import os
  import sys
  import time
  import logging
  import warnings
  import percy
  import requests
  from selenium import webdriver
  from selenium.webdriver.support import expected_conditions
  from selenium.webdriver.common.by import By
  from selenium.webdriver.support.wait import WebDriverWait
  from selenium.webdriver.common.keys import Keys
  from selenium.webdriver.common.action_chains import ActionChains
  from selenium.common.exceptions import WebDriverException, TimeoutException, MoveTargetOutOfBoundsException
  from dash.testing.wait import text_to_equal, style_to_equal, class_to_equal, contains_text, contains_class, until
  from dash.testing.dash_page import DashPageMixin
  from dash.testing.errors import DashAppLoadingError, BrowserError, TestingTimeoutError
  from dash.testing.consts import SELENIUM_GRID_DEFAULT
label_desc: Use image node_id 22 for calling the Browser obj's underlying member method code with example usage: obj.toggle_window() without return types