/**
         * Check that the company secret is valid
         */
        public static string IsCompanySecretValid(CompanyEnum company, string secret)
        {
            switch (company)
            {
            case CompanyEnum.OCEANIC_AIRLINES:
                if (!secret.Equals(CompanySecrets.GetOceanicSecret()))
                {
                    return("Invalid secret");
                }
                break;

            case CompanyEnum.EAST_INDIA_TRADING:
                if (!secret.Equals(CompanySecrets.GetIndiaSecret()))
                {
                    return("Invalid secret");
                }
                break;

            case CompanyEnum.TELSTAR_LOGISTICS:
                if (!secret.Equals(CompanySecrets.GetTelstarSecret()))
                {
                    return("Invalid secret");
                }
                break;
            }
            return(null);
        }
        public void ValidCompanySecret()
        {
            string s = CommunicationValidation.IsCompanySecretValid(CompanyEnum.EAST_INDIA_TRADING, CompanySecrets.GetIndiaSecret());

            NoError(s);
        }
        public void InvalidCompanySecret()
        {
            string s = CommunicationValidation.IsCompanySecretValid(CompanyEnum.OCEANIC_AIRLINES, CompanySecrets.GetIndiaSecret());

            IsError(s);
        }