Error while login to Telegram test servers (PHONE_CODE_INVALID)

[stanislavzhe]

Got an error "Error in authTestUser: For +9996611502. RPCError: 400: PHONE_CODE_INVALID (caused by auth.SignIn)" when trying to login to telegram test server
For +9996611502 was using code 11111

async authTestUser(phoneNumber: string, code: number, user = "User One") {
        let stringSession = new StringSession("");
        let telegramTestDC = {
            dcId: 3,
            ip: "149.154.175.117",
            // dcId: 2,
            // ip: "149.154.167.40",
            // dcId: 1,
            // ip: "149.154.175.10",
            port: 443,
        }
        stringSession.setDC(
            telegramTestDC.dcId,
            telegramTestDC.ip,
            telegramTestDC.port
        );
        this.client = new TelegramClient(stringSession, apiId, apiHash, {
            testServers: true,
            connectionRetries: 5,
            requestRetries: 10,
        });
        await this.client.start({
            phoneNumber: phoneNumber,
            phoneCode: async () => { return code.toString() },
            firstAndLastNames: async () => { return [`First name ${user}`, `Last name ${user}`] },
            onError: (err: any) => {
                throw new Error(`Error in authTestUser: For ${phoneNumber}. ${err}`);
            },
        });
        this.clientSessionString = await this.client.session.save();
        console.log(this.clientSessionString);
        return this.client;
    }