public async Task AddTest() { var fakeRepository = Mock.Of <IProfileRepository>(); var ProfileService = new ProfileService(fakeRepository); var Profile = new Profile() { Id = 1, Age = 18, City = "Almaty", FirstName = "Anvar", LastName = "HunT", Born = DateTime.Parse("2019-05-05") }; await ProfileService.AddAndSafe(Profile); }