test: fix run.bash by spelling out the commands to use for bug424.go

R=golang-dev, gri, iant
CC=golang-dev
https://golang.org/cl/5882046

test/fixedbugs/bug424.go

-// run
+// $G $D/$F.dir/lib.go && $G $D/$F.go && $L $F.$A && ./$A.out
 
 // Copyright 2012 The Go Authors.  All rights reserved.
 // Use of this source code is governed by a BSD-style
@@ -11,7 +11,7 @@
 
 package main
 
-import "./bug424.dir"
+import "./lib"
 import "reflect"
 import "fmt"
 

test/golden.out

@@ -17,8 +17,5 @@
 
 == bugs/
 
-=========== bugs/424.go
-BUG: myT3: lib.T.m called
-
 =========== bugs/bug395.go
 bug395 is broken