public void Delete_DeletesStudentFromDB_true()
        {
            Student student1 = new Student("Henrietta", DateTime.Today);

            student1.Save();
            Student student2 = new Student("Henry", DateTime.Today);

            student2.Save();
            List <Student> expectedResult = new List <Student> {
                student2
            };

            student1.Delete();
            List <Student> result = Student.GetAll();

            Assert.Equal(expectedResult, result);
        }