public async Task DeleteReservationTest()
        {
            //arrange
            GetReservationRequest requestId = new GetReservationRequest {
                IdFilter = 1
            };

            ReservationDto toDelete = _target.GetReservation(requestId);
            // act
            Empty emptyDelete = _target.DeleteReservation(toDelete);

            // assert
            Assert.Throws <RpcException>(() => _target.GetReservation(requestId));
        }