public async Task Test_CreateTwo_GetIds_Succeed()
{
var sys = Setup();
sys.Table.Tell(new Message.Create(10, BlackHoleActor.Props.Arguments));
sys.Table.Tell(new Message.Create(11, BlackHoleActor.Props.Arguments));
var reply = await sys.Table.Ask<Message.GetIdsReply>(
new Message.GetIds());
Assert.Equal(new long[] { 10, 11 }, reply.Ids);
}