Verify pupmod-simp-simp_elasticsearch works with a version of elastic/elasticsearch that supports Puppet 5 (6.0.0 or later)
spec and acceptance tests
Update version range of elastic/elasticsearch in pupmod-simp-simp_elasticsearch's metadata.json
Fix version of elastic/elasticsearch specified in pupmod-simp-simp_elasticsearch's .fixtures.yml
ES and Puppet have moved so far forward at this point that it will probably be a new set of tickets if we decide to tackle this.