static void Main(string[] args)
 {
     Data d = new Data();
     IWebDriver driver = new ChromeDriver(@"E:\");
     driver.Navigate().GoToUrl("https://mail.google.com");
     IWebElement email = driver.FindElement(By.Id("Email"));
     email.SendKeys(d.Login);
     IWebElement pass = driver.FindElement(By.Id("Passwd"));
     pass.SendKeys(d.password);
     IWebElement sign = driver.FindElement(By.Id("signIn"));
     sign.Click();
 }
        public void TestDriverEmail(IWebDriver d)
        {
            Data data = new Data();
            IWebDriver driver = d;//new ChromeDriver(@"E:\");

            driver.Navigate().GoToUrl("https://mail.google.com");
            IWebElement email = driver.FindElement(By.Id("Email"));
            email.SendKeys(data.Login);

            //IWebElement pass = driver.FindElement(By.Id("Passwd"));
            IWebElement pass = driver.FindElement(By.Id("Passwd"));
            pass.SendKeys(data.password);

            IWebElement sign = driver.FindElement(By.Id("signIn"));
            sign.Click();
            driver.Manage().Timeouts().ImplicitlyWait(TimeSpan.FromSeconds(10));
            IWebElement Send = driver.FindElement(By.XPath("//div[contains(@class, 'z0')]/div"));
            Send.Click();
            Assert.IsNotNull(Send);

            IWebElement who = driver.FindElement(By.XPath("//textarea[contains(@name, 'to')]"));
            who.SendKeys(data.Login);
            Assert.IsNotNull(who);

            IWebElement theme = driver.FindElement(By.ClassName("aoT"));
            theme.SendKeys("Std theme");
            Assert.IsNotNull(theme);

            IWebElement txt = driver.FindElement(By.XPath("//div[contains(@class, 'Am Al editable LW-avf')]"));
            txt.SendKeys("For me");
            Assert.IsNotNull(txt);

            IWebElement confirm = driver.FindElement(By.XPath("//div[contains(@class, 'T-I J-J5-Ji aoO T-I-atl L3')]"));
            confirm.Click();

            Assert.IsNotNull(confirm);
            IWebElement confirmMsg = driver.FindElement(By.ClassName("vh"));
            Assert.IsNotNull(confirmMsg);

            IWebElement refresh = driver.FindElement(By.XPath("//div[contains(@class, 'asf T-I-J3 J-J5-Ji')]"));
            refresh.Click();
            Assert.IsNotNull(refresh);
            driver.Close();
        }