Get the height of Safari navigation bar

        :returns: height of navigation bar

def get_safari_navigation_bar_height(self):
        """Get the height of Safari navigation bar

        :returns: height of navigation bar
        """
        status_bar_height = 0
        if self.driver_wrapper.is_ios_test() and self.driver_wrapper.is_web_test():
            # ios 7.1, 8.3
            status_bar_height = 64
        return status_bar_height