cmd/go: rearrange help for 'go test' Put the 'go test' flags into 'go help test', so 'go help testflags' is about the flags for the compiled test binary.
cmd/go: rearrange help for 'go test'
Put the 'go test' flags into 'go help test', so 'go help testflags'
is about the flags for the compiled test binary.

R=golang-dev, rsc
CC=golang-dev
http://codereview.appspot.com/5641060

tv42/old-go,apparentlymart/golang,apparentlymart/golang,tv42/old-go,pombredanne/go-deleteme,apparentlymart/golang,apparentlymart/golang,pombredanne/go-deleteme,pombredanne/go-deleteme,apparentlymart/golang,tv42/old-go,tv42/old-go,gnanderson/go,dsriram/golang,gnanderson/go,gnanderson/go,dsriram/golang,pombredanne/go-deleteme,tv42/old-go,gnanderson/go,apparentlymart/golang,tv42/old-go,gnanderson/go,dsriram/golang,pombredanne/go-deleteme,pombredanne/go-deleteme,pombredanne/go-deleteme,apparentlymart/golang,dsriram/golang,dsriram/golang,dsriram/golang,tv42/old-go,gnanderson/go,dsriram/golang,gnanderson/go