public void ShouldSwitchToFrameByIndexAndBackToDefaultContent()
{
driver.Url = framesPage;
driver.SwitchTo().Frame(0);
Assert.AreEqual(driver.FindElement(By.Id("pageNumber")).Text, "1");
driver.SwitchTo().DefaultContent();
Assert.AreEqual(driver.FindElement(By.Id("pageNumber")).Text, "1");
driver.SwitchTo().Frame(1);
Assert.AreEqual(driver.FindElement(By.Id("pageNumber")).Text, "2");
driver.SwitchTo().DefaultContent();
Assert.AreEqual(driver.FindElement(By.Id("pageNumber")).Text, "1");
}