public void IframeIWebelementTest()
{
var elementActions = new ElementActions(Driver);
Driver.Url = "http://the-internet.herokuapp.com/";
elementActions.Click(By.XPath("//a[text()='Frames']"));
elementActions.Click(By.XPath("//li/a[text()='iFrame']"));
Assert.IsFalse(elementActions.IsDisplayed(By.Id("tinymce")), "The specified text isn't displayed.");
elementActions.SwitchToFrame(Driver.FindElement(By.Id("mce_0_ifr")));
Assert.IsTrue(elementActions.IsDisplayed(By.Id("tinymce")), "The specified text isn't displayed.");
}