Export page as standard pdf exporter
        :param page_id: Page ID
        :return: PDF File

def get_page_as_pdf(self, page_id):
        """
        Export page as standard pdf exporter
        :param page_id: Page ID
        :return: PDF File
        """
        headers = self.form_token_headers
        url = 'spaces/flyingpdf/pdfpageexport.action?pageId={pageId}'.format(pageId=page_id)
        return self.get(url, headers=headers, not_json_response=True)