public void GolfClubAggregate_CreateMatchSecretarySecurityUser_DuplicateSecurityUserId()
        {
            GolfClubAggregate aggregate = GolfClubTestData.GetCreatedGolfClubAggregateWithMatchSecretaryUser();

            Should.Throw <InvalidOperationException>(() => { aggregate.CreateMatchSecretarySecurityUser(GolfClubTestData.MatchSecretarySecurityUserId); });
        }