Using Elasticsearch and tire gem in rails integration specs

gistfile1.rb

# For using elasticsearch in specs. This (hopefully) solves the issue of brittle tests
# from elasaticsearch's refresh interval of 1 second.
# -1 for instant refresh:
# =>  http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/index-modules.html
# 30 merge factor for faster index creation:
# =>  http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/index-modules-merge.html
RestClient.put "#{ENV['ELASTICSEARCH_URL']}/_settings ", %<{
  "index" : {
      "refresh_interval" : "-1",
      "merge.policy.merge_factor" : 30
  }
}>