private async Task CreateScheme(DatabaseWrapper db) { const Domain.Obligation.ObligationType obligationType = Domain.Obligation.ObligationType.B2B; var contact = new Domain.Organisation.Contact("firstName", "LastName", "Position"); Organisation organisation = Organisation.CreateSoleTrader("Test Organisation"); var address = new Address("address1", "address2", "town", "county", "postcode", db.WeeeContext.Countries.First(), "telephone", "email"); organisation.AddOrUpdateAddress(Domain.AddressType.RegisteredOrPPBAddress, address); Domain.UKCompetentAuthority authority = db.WeeeContext.UKCompetentAuthorities.Single(c => c.Abbreviation == UKCompetentAuthorityAbbreviationType.EA); Scheme scheme1 = new Scheme(organisation); scheme1.UpdateScheme("BBB", "TT", "Test", obligationType, authority); scheme1.AddOrUpdateMainContactPerson(contact); scheme1.AddOrUpdateAddress(address); db.WeeeContext.Organisations.Add(organisation); db.WeeeContext.Schemes.Add(scheme1); await db.WeeeContext.SaveChangesAsync(); }