Use correct order for fixing Travis CI build

Author: Jean85

.travis.yml

@@ -17,7 +17,7 @@ before_install:
   - composer self-update
   - composer global require hirak/prestissimo
 
-install: travis_wait travis_retry composer update --no-interaction --prefer-dist --prefer-stable $COMPOSER_OPTIONS
+install: travis_retry travis_wait composer update --no-interaction --prefer-dist --prefer-stable $COMPOSER_OPTIONS
 
 script:
   - vendor/bin/phpunit -v