test/run: make -v output look like go test output
test/run: make -v output look like go test output

Among other things, it makes it easier to scan to
see what is slow.

R=golang-dev, bradfitz
CC=golang-dev
https://codereview.appspot.com/40040044

tv42/old-go,pombredanne/go-deleteme,pombredanne/go-deleteme,tv42/old-go,pombredanne/go-deleteme,pombredanne/go-deleteme,tv42/old-go,pombredanne/go-deleteme,tv42/old-go,tv42/old-go,pombredanne/go-deleteme,pombredanne/go-deleteme,tv42/old-go,tv42/old-go