fix tests

Author: garak

.travis.yml

@@ -6,7 +6,6 @@ php:
     - 5.5
     - 5.6
     - 7.0
-    - hhvm
 
 cache:
     directories:
@@ -19,8 +18,6 @@ matrix:
           env: COMPOSER_FLAGS="--prefer-lowest"
         - php: 5.4
           env: COMPOSER_FLAGS="--prefer-lowest"
-        - php: 5.6
-          env: SYMFONY_VERSION=3.0.*
 
 env:
     - secure: "g+2Ar7a8eAsZtE/mEQT6BWgkx7Bou9qy1381OhI7tMOQBE+KA5Lm+KAC5tH9Us5tmK074dNMsWPBrsgnayxezBjQBpcshDQgoLqaPtWz8XeKTvUEpizFTjQ8v68w42I4SzzMdNIWQhPjiAfjA8e02uaoRELWOYNoc824ot/y1iw="

composer.json

@@ -28,7 +28,7 @@
         "ext-fileinfo": "*",
         "symfony/console": "~2.3|~3.0",
         "symfony/finder": "~2.3|~3.0",
-        "symfony/filesystem": "~2.3|~3.0",
+        "symfony/filesystem": "~2.4|~3.0",
         "symfony/process": "~2.3|~3.0",
         "camspiers/json-pretty": "1.0.*",
         "knplabs/github-api": "1.4.*",