Updated travis.yml

Author: pmishev

.travis.yml

@@ -16,7 +16,7 @@ install:
   - composer require --no-update symfony/framework-bundle:${SYMFONY_VERSION}
   - wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-${ES_VERSION}${ES_FILENAME_SUFFIX}.tar.gz
   - tar -xzf elasticsearch-${ES_VERSION}${ES_FILENAME_SUFFIX}.tar.gz
-  - ./elasticsearch-${ES_VERSION}/bin/elasticsearch > /dev/null 2>&1 &
+  - ./elasticsearch-${ES_VERSION}/bin/elasticsearch -d
   - composer install --dev --no-interaction
 
 before_script: