public void CheckForJavascriptErrors()
        {
            var errors = ((IJavaScriptExecutor)_browser.Driver()).ExecuteScript("return window.jsErrors") as ReadOnlyCollection <object> ?? new ReadOnlyCollection <object>(new List <object>());

            if (errors.Any())
            {
                throw new ApplicationException(string.Join("\n", errors.Select(x => x.ToString())));
            }
        }