public void TestCancellationToken()
{
CancellationTokenSource ct = new CancellationTokenSource();
Task <JObject> task = _client.ListIndexesAsync(ct.Token);
ct.Cancel();
try
{
task.GetAwaiter().GetResult();
Assert.Fail("Should thow an error");
}
catch (TaskCanceledException)
{
// Pass
}
}