public async Task CreateAppointmentSlotAsync_should_return_success()
{
var result = await sut !.CreateAppointmentSlotAsync(new LocalDateTime(2021, 5, 1, 10, 0), Period.FromHours(1), 1);
Assert.IsTrue(result.Succeeded);
var slot = await db !.Slots.FirstAsync();
Assert.AreEqual(new LocalDateTime(2021, 5, 1, 10, 0), slot.From);
Assert.AreEqual(Period.FromHours(1), slot.Duration);
Assert.AreEqual(1, slot.CountOfSlot);
}
