git-codereview: require test/run.go to be gofmt'd

See CL 9398 for an instance in which this matters.

Change-Id: If590791e9080b89517536aa80a04cbf2f5fbc3e1
Reviewed-on: https://go-review.googlesource.com/9416
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
1 file changed