The tests all pass (for me at least) so I don't think there is any
reason not to enable them.

Change-Id: I96e71383e573273f442a849914cf6458ada14f82
Reviewed-on: https://go-review.googlesource.com/32855Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>