[Tests] Updated Travis CI configuration

Author: khaperets

.travis.yml

@@ -16,13 +16,13 @@ env:
     - SYMFONY_VERSION=3.2.*
     - SYMFONY_VERSION=3.3.*
 
+services:
+    - redis-server
+
 cache:
     directories:
         - $HOME/.composer/cache
 
-services:
-    - redis-server
-
 before_install:
     - if [ "$TRAVIS_PHP_VERSION" != "hhvm" ] &&  [ "$TRAVIS_PHP_VERSION" < "7.1" ]; then phpenv config-rm xdebug.ini; fi
     - if [ "$TRAVIS_PHP_VERSION" != "hhvm" ]; then echo "extension = redis.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi;