public void TestCreateCalendarDoctor() { int id = 3; SqlCalendar sql = new SqlCalendar(); int expected = sql.ListOfCalendarDoctor(id).Count + 1; sql.CreateCalendarDoctor(1, 3); int actual = sql.ListOfCalendarDoctor(id).Count; IEnumerable <ClassCalendarDoctor> query = from elem in sql.ListOfCalendarDoctor(id) where elem.Doctor.Doctor_id == 1 && elem.Status.StatusId == 6 select elem; Assert.Single(query); }