[autotest] Force to use puppet version 3.4.2 for Vagrant.
Vagrant's built-in puppet version is 2.7.19, and it does not
support modulo operator. The modulo operator is supported
from puppet version 3.2.0.
Using vagrant_puppet_install plugin, make Vagrant use puppet
3.4.2 that suppport the modulo operator.
BUG=chromium:575021
TEST=Puppylab provision.
Change-Id: Icbe2bbd1eca854695f6e1897e99181e47dc665db
Reviewed-on: https://chromium-review.googlesource.com/320832
Trybot-Ready: Mungyung Ryu <mkryu@google.com>
Tested-by: Mungyung Ryu <mkryu@google.com>
Reviewed-by: Shuqian Zhao <shuqianz@chromium.org>
2 files changed