Looks like AWS is currently running exclusively version 1.5.2 of Elasticsearch, which will fail several of our tests as we've been aiming at version 2.+

{"query":{"filtered":{"query":{"match_all":{,"filter":{"bool":{"must":[{"type":{"value":"org.hibernate.search.elasticsearch.test.filter.Driver"}},{"term":{"teacher":

}},{"term":{"score":5}}]}}}}}}}

We get:

term filter does not support [boost]