/// <summary>
 /// collapse passage reading levels
 /// </summary>
 public void CollapsePassageReadingLevels()
 {
     PassageReadingLevelsContainer.FakeAttributeClass = "display: block;";
     if (PassageReadingLevelsContainer.WaitUntilExists(3).GetAttribute("class").Equals("block"))
     {
         PassageReadingLevelsLink.Wait(3).Click();
     }
 }
 /// <summary>
 /// expand passage reading levels
 /// </summary>
 public void ExpandPassageReadingLevels()
 {
     PassageReadingLevelsContainer.FakeCssValueStyle = "display: none;";
     if (PassageReadingLevelsContainer.WaitUntilExists(3).GetAttribute("class").Contains("none"))
     {
         PassageReadingLevelsLink.Wait(3).Click();
     }
 }