public Altitude getDensityAltitude(String densityAltitudeUnits)
        {
            Altitude densityAltitude = new Altitude("", densityAltitudeUnits);

            webDriver.FindElement(By.Name("e_calculate")).Click();
            webDriverWait.Until(webDriver => webDriver.FindElement(By.Name("densaltz")).GetAttribute("value").Length != 0);

            if (densityAltitude.isUsingStandardUnits())
            {
                densityAltitude = new Altitude(webDriver.FindElement(By.Name("densaltz")).GetAttribute("value"), densityAltitudeUnits);
            }
            else
            {
                densityAltitude = new Altitude(webDriver.FindElement(By.Name("densaltzm")).GetAttribute("value"), densityAltitudeUnits);
            }
            seleniumCommonActions.SaveScreenshot();
            return(densityAltitude);
        }