private static async Task <string> PrintError(IAggregatorGrain aggregator, Message[] messages)
{
var sb = new StringBuilder();
sb.AppendLine("Expectation failed!");
sb.AppendLine($" -expected: {string.Join(',', messages.OrderBy(m => m.Id).Select(m => m.Id))}");
sb.AppendLine($" -sent : {string.Join(',', (await aggregator.GetAllSentMessages()).OrderBy(m => m.Id).Select(m => m.Id))}");
sb.AppendLine($" -received: {string.Join(',', (await aggregator.GetAllReceivedMessages()).OrderBy(m => m.Id).Select(m => m.Id))}");
return(sb.ToString());
}
