public async Task Delete()
            {
                // arrange status
                var id = await UserStatusesEndpoint.Create(18667945, percent : 1, comment : "Not bad");

                var result = await UserStatusesEndpoint.Delete(id);

                Assert.True(result);
            }
            public async Task Create()
            {
                const int bookId = 186;
                var       id     = await UserStatusesEndpoint.Create(bookId, percent : 42, comment : "Really cool!");

                // clean up status
                await UserStatusesEndpoint.Delete(id);

                Assert.NotEqual(default(long), id);
            }