public async Task Handle_GivenNotFoundException()
        {
            //Arrange
            const int invalidId = 40;
            var       command   = new DeleteLoadBalancerOptionCommand {
                Id = invalidId
            };

            //Assert
            await Assert.ThrowsAsync <NotFoundException>(() => _handler.Handle(command, CancellationToken.None));
        }
        public async Task Handle_GivenValidResult()
        {
            //Arrange
            const int deleteId = 18;
            var       command  = new DeleteLoadBalancerOptionCommand {
                Id = deleteId
            };

            //Act
            await _handler.Handle(command, CancellationToken.None);

            var unit = await Context.LoadBalancerOptions.FindAsync(deleteId);

            //Assert
            Assert.Null(unit);
        }