Fix puppet-opendaylight semantic_puppet gem warning

04:53:26 + bundle exec rake sanity
04:53:26 Could not find semantic_puppet gem, falling back to internal functionality. Version checks may be less robust.
04:53:27 ---> syntax:manifests
04:53:27 ---> syntax:templates
04:53:27 ---> syntax:hiera:yaml
04:53:27 metadata-json-lint metadata.json
04:53:27 Could not find semantic_puppet gem, falling back to internal functionality. Version checks may be less robust.

https://logs.opendaylight.org/releng/jenkins092/puppet-test-sanity-master/188/console.log.gz