Minor - Test behat execution through travis

.travis.yml

@@ -42,4 +42,6 @@ before_script:
   - sudo chash chash:chamilo_install --no-interaction --sitename="Chamilo" --site_url="http://localhost/" --institution="Chamilo" --institution_url="https://chamilo.org" --encrypt_method="sha1" --firstname="John" --lastname="Doe" --language="english" --driver="pdo_mysql" --host="localhost" --port="3306" --dbname="chamilo" --dbuser="chamilo" --dbpassword="chamilo" --permissions_for_new_directories="0777" --permissions_for_new_files="0666" --username="admin" --password="admin" --email="admin@example.com" --phone="555-5555" 1.10.x $(pwd)
 
 
-script: phpunit -c tests/phpunit
+script:
+  - phpunit -c tests/phpunit
+  - cd tests && ../vendor/behat/behat/bin/behat