public void Create_GivenThreeElementsFromDB_ShouldReturnAListWithFourElements() { var student = new Student { Id = 4, Guid = Guid.NewGuid(), Name = "Nancy", LastName = "Jimenez", BirthDate = DateTime.Parse("31/07/1962") }; var repository = new SqlStudentRepository(); repository.Create(student); var result = repository.GetAll(); Assert.AreEqual(4, result.Count()); }