chronological order for data file

Amended to Chronological order due to request

.travis.yml

@@ -7,12 +7,12 @@ php:
   - nightly
   - hhvm
 
-script: phpunit
-
 before_script:
   - composer self-update
   - composer install --dev --prefer-source
   - mkdir -p build/logs
 
+script: phpunit
+
 after_script:
   - php vendor/bin/coveralls -v