public async Task AttachmentEditTitle()
{
var mock = new Mock<ITimelineService>();
Attachment attachment = new Attachment();
attachment.Id = "ID1";
attachment.Title = "Edited Title";
await attachment.EditTitleAsync(mock.Object);
mock.Verify(m => m.PutJsonAsync("TimelineEventAttachment/EditTitle", It.Is<object>(o => o.VerifyObject("AttachmentId", "ID1") && o.VerifyObject("Title", "Edited Title"))));
}