Run tests on Elasticsearch 2.1 only

Author: mvar

.travis.yml

@@ -5,16 +5,21 @@ php:
   - 5.6
   - 7.0
   - hhvm
+env:
+  global:
+      - ES_VERSION="2.1.1"
+      - SYMFONY="~3.0"
 matrix:
   allow_failures:
     - php: hhvm
-env:
-  - SYMFONY="2.7.*"
-  - SYMFONY="~3.0"
-services:
-  - elasticsearch
+  include:
+    - php: 7.0
+      env: SYMFONY="2.7.*"
 install:
   - composer require --no-update symfony/symfony:${SYMFONY}
+  - wget https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-${ES_VERSION}.tar.gz
+  - tar -xzf elasticsearch-${ES_VERSION}.tar.gz
+  - ./elasticsearch-${ES_VERSION}/bin/elasticsearch > /dev/null 2>&1 &
 before_script:
   - composer config -g github-oauth.github.com $GITHUB_COMPOSER_AUTH
   - composer install --no-interaction --prefer-dist