public void UpdateEnrollmentDate_UpdatesStudentEnrollmentDate() { //Arrange Student testStudent = new Student("Lucille Ball", DateTime.Today); testStudent.Save(); DateTime testDate = new DateTime(2016, 12, 1); Student expectedResult = new Student("Lucille Ball", testDate, testStudent.GetId()); //Act testStudent.UpdateEnrollmentDate(testDate); //Assert Assert.Equal(expectedResult, testStudent); }