public async Task Test_GracefulStop_With_Container_With_Actors_Table()
{
var sys = Setup();
sys.Table.Tell(new Message.Create(BlackHoleActor.Props.Arguments));
sys.Table.Tell(new Message.Create(BlackHoleActor.Props.Arguments));
var ok = await sys.Table.GracefulStop(TimeSpan.FromMinutes(1), new Message.GracefulStop(null));
Assert.True(ok);
}