The test uses hardcoded numbers specific to one Solaris variant or
version. It's not guaranteed that they are stable over time or
across variants.

Fixes golang/go#25528

Change-Id: I148bd4d8264b802f07a2e886b99e76a40824af35
Reviewed-on: https://go-review.googlesource.com/114092Reviewed-by: Aram Hăvărneanu <aram@mgk.ro>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>