Map<String, Object> mobileEmulator = new HashMap<String, Object>();

 mobileEmulator.put("deviceName", deviceName); WebDriverManager.chromedriver().setup(); ChromeOptions chromeOption = new ChromeOptions(); chromeOption.setPageLoadStrategy(PageLoadStrategy.NONE); chromeOption.setExperimentalOption("mobileEmulation", mobileEmulator); DesiredCapabilities caps = new DesiredCapabilities(); caps.setCapability("rotatable", true); caps.setCapability("deviceOrientation", orientationMode); caps.setCapability(ChromeOptions.CAPABILITY, chromeOption); chromeOption.merge(caps); driver = new ChromeDriver(chromeOption);