private void ExplicitCheckForPageReady(By by, int explicitWaitSeconds = 20)
{
waitFor.AjaxCallsToComplete(new TimeSpan(0, 0, explicitWaitSeconds));
var wait = new WebDriverWait(browser, TimeSpan.FromSeconds(explicitWaitSeconds));
wait.Until(ExpectedConditions.PresenceOfAllElementsLocatedBy(by));
}