Tweek .travis.yml expecting Elasticsearch to start correctly on Travis CI, inspired by .travis.yml used in elasticsearch-rails(https://github.com/elasticsearch/elasticsearch-rails/blob/master/.travis.yml)
Tweek .travis.yml expecting Elasticsearch to start correctly on Travis CI, inspired by .travis.yml used in elasticsearch-rails(https://github.com/elasticsearch/elasticsearch-rails/blob/master/.travis.yml)

crowdworks/elasticsearch-model-extensions