testing: fix typo in comment
Change-Id: I5aa6093b0199df1ef5b0ad0fcfa651a4b990bfd5
GitHub-Last-Rev:
b053d993eb497500ee63024ef12784f63fac6c0e
GitHub-Pull-Request: golang/go#65986
Reviewed-on: https://go-review.googlesource.com/c/go/+/567655
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Auto-Submit: Carlos Amedee <carlos@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>