Confirm valid regression test

Author: thobson88

tests/only_connect/digraph_only_connect.txt

@@ -1,6 +1,6 @@
 digraph {
     0 [ label = "Start" ]
-    1 [ label = "Attempt(Connect(ConnectAttempt { addr: 127.0.0.1:502 }))" ]
+    1 [ label = "Attempt(Connect(ConnectAttempt { addr: 127.0.0.1:501 }))" ]
     2 [ label = "End" ]
     3 [ label = "End" ]
     0 -> 1 [ label = "None" ]