Move code coverage build up

Author: ddeboer

.travis.yml

@@ -14,6 +14,10 @@ branches:
 
 matrix:
   include:
+    - php: 5.6
+      env:
+        - PHPUNIT_FLAGS="--coverage-clover=coverage.clover"
+        - COVERAGE=true
     - php: 5.5
       env: SYMFONY_VERSION='2.3.*'
     - php: 5.5
@@ -32,10 +36,6 @@ matrix:
       env:
         - SYMFONY_VERSION='2.7.*@dev'
         - FRAMEWORK_EXTRA_VERSION='~3.0'
-    - php: 5.6
-      env:
-        - PHPUNIT_FLAGS="--coverage-clover=coverage.clover"
-        - COVERAGE=true
 
 before_script:
   - sh -c 'if [ "$SYMFONY_VERSION" != "" ]; then composer require --dev --no-update symfony/symfony=$SYMFONY_VERSION; fi;'