public async Task UnRegisterNonExistingStudentTesting()
        {
            var obj = new UnRegisteredStudentCommand
            {
                StudentId = 16
            };

            var resp = await _unRegisteredStudentCommandHandler.Handle(obj);

            Assert.AreEqual(false, resp.IsSuccessful);

            Assert.AreEqual(State.notFound, resp.Status);
        }
        public async Task UnRegisterStudentTesting()
        {
            var obj = new UnRegisteredStudentCommand
            {
                StudentId = 1
            };

            var resp = await _unRegisteredStudentCommandHandler.Handle(obj);

            Assert.AreEqual(true, resp.IsSuccessful);

            Assert.AreEqual(State.noContent, resp.Status);
        }