generators: sometimes generate messages from me as well

data/generators.go

@@ -349,6 +349,11 @@ func randomParticipant(participants []string) *string {
 		}
 	}
 
+	if rand.Intn(2) == 0 {
+		// From me
+		return nil
+	}
+
 	return &participants[rand.Intn(len(participants))]
 }