Noticed this because I was accidentally running these tests with Go
1.11.
Change-Id: Ic35d71bd1da9078b4bde6aa2ed62d54a8b95b0e0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/186298
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Suzy Mueller <suzmue@golang.org>