Method to return a list of Portal names with their id's. 
        
            Returns list of tuples as [(id_1, portal_name1), (id_2, portal_name2)]

def get_portals_list(self):
        """     Method to return a list of Portal names with their id's. 
        
            Returns list of tuples as [(id_1, portal_name1), (id_2, portal_name2)]
        """
        portal_ids = self.get_domain_portal_ids()
        portals = [ (p, self.get_portal_by_id(p)) for p in portal_ids ]
        return [ (p[0], p[1]['info']['description']['name'], p) for p in portals ]