private async Task MakeCallAsync(CommandContext context)
        {
            await sut.HandleAsync(context, c =>
            {
                context.Complete(true);

                return(Task.CompletedTask);
            });
        }
        private async Task MakeCallAsync(CommandContext context)
        {
            await sut.HandleAsync(context, () =>
            {
                context.Complete(true);

                return(TaskHelper.Done);
            });
        }