public void ShouldChangeLoginOfUser() { //arrange var user = new User { Name = "testUser", Picture = new byte[] {} }; var login = "******"; var password = "******"; //act var repository = new UsersRepository(ConnectionString); var result = repository.Create(user, login, password); _tempUsers.Add(result.Id); repository.ChangeLogin(result.Id, "newLogin", password); result = repository.Get(result.Id); //asserts Assert.AreEqual(result.LogInfo.Login, "newLogin"); }