Test added.

Fixes #24556

Change-Id: I4d1cd4513142edeea1a983fbfde46c2fccecab2a
Reviewed-on: https://go-review.googlesource.com/c/go/+/186139
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>