test: add some tests where go/defer arg starts with parenthesis
test: add some tests where go/defer arg starts with parenthesis

R=gri
CC=golang-dev
https://codereview.appspot.com/6890047

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