Fix unit tests failing against Puppet 4.3.x
Fix unit tests failing against Puppet 4.3.x

Change-Id: Ie2f3e29005570805fbf2ca75a930fab746f5f299
Related-bug: #1517805
Signed-off-by: Gael Chamoulaud <68646863a1a9108d0246eb96cb6356f9fa9a34f3@redhat.com>

rdo-puppet-modules/puppet-tripleo,rdo-puppet-modules/puppet-tripleo,openstack/puppet-tripleo,paramite/puppet-tripleo,paramite/puppet-tripleo,paramite/puppet-tripleo,openstack/puppet-tripleo,openstack/puppet-tripleo,rdo-puppet-modules/puppet-tripleo