public void TextNotEquals() { RunInAllBrowsers(browser => { browser.NavigateToUrl("CookiesTest.aspx"); var label = browser.First("#CookieIndicator"); AssertUI.CheckIfTextEquals(label, "False"); AssertUI.CheckIfTextNotEquals(label, "True"); try { AssertUI.CheckIfTextNotEquals(label, "False"); throw new Exception("Exception was expected."); } catch (UnexpectedElementStateException) { } }); }