X go.mod: v↑ go123

Instead of requiring users to explicitly mark their tests as finished in
particular subject-to-deadlock places, tracetest was fixed to
unconditionally detect "extra sends" deadlocks automatically:

go123@3b19f68c

go/go.mod

@@ -34,5 +34,5 @@ require (
 	google.golang.org/grpc/examples v0.0.0-20210301210255-fc8f38cccf75 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
-	lab.nexedi.com/kirr/go123 v0.0.0-20210906140734-c9eb28d9e408
+	lab.nexedi.com/kirr/go123 v0.0.0-20211124154638-01e8697d1901
 )

go/go.sum

@@ -217,3 +217,5 @@ lab.nexedi.com/kirr/go123 v0.0.0-20210128150852-c20e95f0f789 h1:IP+xm2DdYqLn81x8
 lab.nexedi.com/kirr/go123 v0.0.0-20210128150852-c20e95f0f789/go.mod h1:1wkWl3WhmutZiho+wsE7ymOKvRkN7hV3YZtL0f0gXTo=
 lab.nexedi.com/kirr/go123 v0.0.0-20210906140734-c9eb28d9e408 h1:H7YpNUDfTSvvRpKivUMrL9C09tQssQ6brEoX6K/OxOw=
 lab.nexedi.com/kirr/go123 v0.0.0-20210906140734-c9eb28d9e408/go.mod h1:pwDpdCuvtz0QxisDzV/z9eUb9zc/rMQec520h4i8VWQ=
+lab.nexedi.com/kirr/go123 v0.0.0-20211124154638-01e8697d1901 h1:a0G1/+ZqFf3OeaJOP479Xeg1Rw7wmKPWf5F2t7nJ4rM=
+lab.nexedi.com/kirr/go123 v0.0.0-20211124154638-01e8697d1901/go.mod h1:pwDpdCuvtz0QxisDzV/z9eUb9zc/rMQec520h4i8VWQ=

go/neo/t_cluster_test.go

@@ -181,7 +181,7 @@ func (t0 *tEnv) NewCluster(name string) *tCluster {
 func (t *tCluster) Stop() {
 	t.Helper()
 	t.TraceOff()
-	t.Done()
+//	t.Done()	XXX kill - tracetest was fixed to automatically detect "extra send" deadlocks
 
 	t.runCancel()
 	err := t.runWG.Wait()