test: use testlib in a few more cases.

R=golang-dev, rsc
CC=golang-dev, remy
https://golang.org/cl/5688057

test/fixedbugs/bug110.go

-// $G $D/$F.go && $L $F.$A || echo BUG: const bug
+// build
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/fixedbugs/bug114.go

-// $G $D/$F.go && $L $F.$A && (./$A.out || echo BUG: bug114 failed)
+// run
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/fixedbugs/bug155.go

-// $G $D/$F.go && $L $F.$A || echo BUG: bug155
+// build
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/fixedbugs/bug167.go

-// $G $D/$F.go && $L $F.$A || echo BUG: bug167
+// build
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/fixedbugs/bug183.go

-//errchk $G $D/$F.go
+// errorcheck
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/sieve.go

-// $G $F.go && $L $F.$A  # don't run it - goes forever
+// build
+
+// don't run it - goes forever
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/solitaire.go

-// $G $F.go && $L $F.$A  # don't run it - produces too much output
+// build
+
+// don't run it - produces too much output
 
 // Copyright 2010 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style