fix logging selenium errors

Author: sustmi

.travis.yml

@@ -17,6 +17,7 @@ before_script:
   - Tests/app/switch_sf_version.sh "$SF_VERSION"
   - composer require "symfony/symfony:${SF_VERSION}"
   - composer install -n
+  - composer info -i
 
   - Tests/app/console assets:install Tests/app
   - sudo chmod -R 0777 Tests/app/cache Tests/app/logs
@@ -30,7 +31,7 @@ before_script:
   - sudo sed -i -e "s,/var/www,$(pwd)/Tests/app,g" /etc/apache2/sites-available/default
   - sudo /etc/init.d/apache2 restart
 
-  - vendor/bin/selenium-server-standalone > selenium.log &
+  - vendor/bin/selenium-server-standalone &> selenium.log &
   - sleep 4
 
 script: phpunit -v