Open Firefox Browser - Headless mode

@Test
    public static void validatePageUrlWithHeadlessMode() {
        FirefoxOptions firefoxOptions = new FirefoxOptions();
        firefoxOptions.addArguments("--headless");
        WebDriver driver = new FirefoxDriver(firefoxOptions);
        driver.get("https://selenium.dev");
        Assert.assertTrue(driver.getCurrentUrl().contains("selenium.dev"));
        driver.quit();
    }