在不知道原因的情况下，脚本执行期间的测试速度非常慢。

这是我的脚本：

driver.Navigate().GoToUrl(url);       
driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(20);
driver.FindElement(By.LinkText("Register Here")).Click();
new WebDriverWait(driver, TimeSpan.FromSeconds(10)).Until(
    SeleniumExtras.WaitHelpers.ExpectedConditions.InvisibilityOfElementLocated(
        (By.XPath("//div[@class='loader-wrapper    ng-trigger ng-trigger-visibilityChanged ng-animating']"))));
driver.FindElement(By.XPath("(.//*[normalize-space(text()) and    normalize-space(.)='Organization    Type'])[2]/following::select[1]")).Click();
new SelectElement(driver.FindElement(By.XPath("(.//*[normalize-space(text())    and normalize-space(.)='Organization    Type'])[2]/following::select[1]"))).SelectByText("Hospital");
driver.FindElement(By.XPath("(.//*[normalize-space(text()) and    normalize-space(.)='Organization    Type'])[2]/following::button[1]")).Click();
new WebDriverWait(driver, TimeSpan.FromSeconds(10)).Until(
    SeleniumExtras.WaitHelpers.ExpectedConditions.InvisibilityOfElementLocated(
        (By.XPath("//div[@class='loader-wrapper    ng-trigger ng-trigger-visibilityChanged ng-animating']"))));
driver.FindElement(By.XPath("(.//*[normalize-space(text()) and    normalize-space(.)='Phone    Number'])[1]/following::button[1]")).Click();
new WebDriverWait(driver, TimeSpan.FromSeconds(10)).Until(
    SeleniumExtras.WaitHelpers.ExpectedConditions.InvisibilityOfElementLocated(
        (By.XPath("//div[@class='loader-wrapper    ng-trigger ng-trigger-visibilityChanged ng-animating']"))));

try
{
    Assert.AreEqual("Title is Required.", driver.FindElement(By.XPath("(.//*[normalize-space(text()) and    normalize-space(.)='Title'])[1]/following::span[1]")).Text);
}
catch (Exception e)
{
    verificationErrors.Append(e.Message);
}

有什么建议可以使测试更快吗？