/// <summary>
 /// Waits until element becomes invisible
 /// </summary>
 /// <param name="element">element to check</param>
 public static void WaitUntilInvisible(this IWebElement element)
 {
     Waiter.UntilInvisible(element, Waiter.DefaultTimeOut);
 }
 /// <summary>
 /// Waits until element becomes invisible
 /// </summary>
 /// <param name="element">element to wait for disappear</param>
 /// <param name="timeOut">time to wait</param>
 public static void WaitUntilInvisible(this IWebElement element, TimeSpan timeOut)
 {
     Waiter.UntilInvisible(element, timeOut);
 }