Improve Travis

Author: soullivaneuh

.travis.yml

@@ -21,11 +21,15 @@ matrix:
     - php: hhvm
       env: SYMFONY_VERSION=2.6.* PHPUNIT_VERSION=~4.0
     - php: 5.6
-      env: SYMFONY_VERSION=2.7.*@dev PHPUNIT_VERSION=~4.0
+      env: SYMFONY_VERSION=2.7.* PHPUNIT_VERSION=~4.0
+    - php: 5.6
+      env: SYMFONY_VERSION=2.8.*@dev PHPUNIT_VERSION=~4.0
+    - php: 5.6
+      env: SYMFONY_VERSION=3.0.*@dev PHPUNIT_VERSION=~4.0
 
 before_script:
   - composer require --no-update "symfony/config:${SYMFONY_VERSION}"
-  - composer require --no-update "phpunit/phpunit:${PHPUNIT_VERSION}"
+  - composer require --dev --no-update "phpunit/phpunit:${PHPUNIT_VERSION}"
   - composer update
 
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