public void DeleteStudentByIdTest() { //Arrange StudentHandler sh = new StudentHandler(); string actual; //Act sh.DeleteStudentById(5); IList <Student> testsList = sh.GetAllStudents(); //Assert foreach (var student in testsList) { if (student.StudentId == 5) { actual = "Denne findes"; } else { actual = "Findes ikke"; } Assert.AreEqual("Findes ikke", actual); } }