public async Task ListMyAppointments(string key)
        {
            var testCase = AppointmentCases.ListAppointment(key);

            using (var db = Db.dbConn())
            {
                db.AddRange(testCase.Given);
                await db.SaveChangesAsync();
            }

            using (var sut = SutFactory())
            {
                var r = await sut.List(testCase.Arguments);

                Assert.IsTrue(testCase.Expect.SequenceEqual(r));
            }
        }
        public async Task GetMyAppointment(string key)
        {
            var testCase = AppointmentCases.GetAppointment(key);

            using (var db = Db.dbConn())
            {
                db.AddRange(testCase.Given);
                await db.SaveChangesAsync();
            }

            using (var sut = SutFactory())
            {
                var r = await sut.Get(testCase.Arguments);

                Assert.IsTrue(testCase.Expect.SequenceEqual(r),
                              Lines(new []
                {
                    $"expect: {Lines(testCase.Expect.Select(x => x.ToString()))}",
                    "---",
                    $"actual: {Lines(r.Select(x => x.ToString()))}"
                }));
            }
        }