protected override void OnSetUp() { base.OnSetUp(); using (ISession session = this.OpenSession()) { DomainClass entity = new DomainClass(); entity.Id = 1; entity.StringData = "John Doe"; entity.IntData = 1; session.Save(entity); entity = new DomainClass(); entity.Id = 2; entity.StringData = "Jane Doe"; entity.IntData = 2; session.Save(entity); session.Flush(); } }