How to use the socketshark.constants.ERR_AUTH_FAILED function in socketshark

'status': 'ok',
                'session_id': 'sess_123',

                # this should be ignored
                'foo': 'bar',
            })

            await session.on_client_event({
                'event': 'auth',
                'method': 'ticket',
                'ticket': 'invalid_ticket',
            })
            assert client.log.pop() == {
                'status': 'error',
                'event': 'auth',
                'error': c.ERR_AUTH_FAILED,
            }

            assert session.auth_info == {}

            await session.on_client_event({
                'event': 'auth',
                'method': 'ticket',
                'ticket': 'valid_ticket',
            })
            assert client.log.pop() == {
                'status': 'ok',
                'event': 'auth',
            }

            assert session.auth_info == {
                'session_id': 'sess_123',

raise EventError(c.ERR_AUTH_UNSUPPORTED)

        # The only supported method.
        assert self.method == 'ticket'

        auth_method_config = self.auth_config[self.method]

        ticket = self.data.get('ticket')
        if not ticket:
            raise EventError(c.ERR_NEEDS_TICKET)

        auth_url = auth_method_config['validation_url']
        auth_fields = auth_method_config['auth_fields']
        result = await http_post(self.shark, auth_url, {'ticket': ticket})
        if result.get('status') != 'ok':
            raise EventError(result.get('error', c.ERR_AUTH_FAILED))
        auth_info = {field: result[field] for field in auth_fields}
        self.session.auth_info = auth_info
        self.session.log.debug('auth info', auth_info=auth_info)
        await self.send_ok()
        return True