public void DeleteATaskGroup()
{
string projectName = ClientSampleHelpers.FindAnyProject(this.Context).Name;
// Get a task agent client instance
VssConnection connection = Context.Connection;
TaskAgentHttpClient taskClient = connection.GetClient <TaskAgentHttpClient>();
// Delete the already created task group
taskClient.DeleteTaskGroupAsync(project: projectName, taskGroupId: this.addedTaskGroupId).SyncResult();
}