public async Task PostAsyncTest()
        {
            //Backup accounts
            //This API will initiate a complete backup of all todo items in the TodoItemServer. The backup is asynchronous and the API will return the the id for the initiated backup.

            //Request: POST /backups
            //Request body: N/A
            //Response body:

            //```
            //{
            // “backupId”: < backupId >
            //}
            //```

            // Arrange
            IBackupService backupService = new StubIBackupService()
            {
                InitiateAsync = () =>
                {
                    // Generate a random id
                    var generator = new Random();
                    var id        = 0;
                    lock (generator)
                    {
                        id = (new Random()).Next(1, int.MaxValue);
                    }

                    return(Task.FromResult(id));
                }
            };

            BackupsController target = new BackupsController(backupService)
            {
                Request = new HttpRequestMessage()
                {
                    Method = HttpMethod.Post, Properties = { { HttpPropertyKeys.HttpConfigurationKey, new HttpConfiguration() } }
                }
            };

            // Act
            dynamic actual = await target.PostAsync();

            Assert.IsNotNull(actual);
            dynamic status = actual.Content;

            Assert.IsNotNull(status);
            Assert.IsTrue(0 < status.BackupId);
        }