Alerts.cs

    @Test
    public void alerts() {
        driver.get("https://the-internet.herokuapp.com/javascript_alerts");

        driver.findElement(By.xPath("//*[contains(normalize-space(text()), 'Click for JS Alert')]")).click();
        driver.switchTo().alert().accept();

        driver.findElement(By.xPath("//*[contains(normalize-space(text()), 'Click for JS Prompt')]")).click();
        Alert inputAlert = driver.switchTo().alert();
        String text = inputAlert.getText();
        inputAlert.sendKeys("Look Mom! I can automate alerts :) ");
        inputAlert.accept();
    }