github-19: update travis settings

Author: ArturMoczulski

.travis.yml

@@ -9,13 +9,15 @@ php:
 
 sudo: false
 
+install: composer install --no-interaction
+
 before_script:
   - travis_retry composer self-update
   - travis_retry composer install --dev --no-interaction
 
 script:
   - mkdir -p build/logs
-  - vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+  - composer test
 
 after_success:
   - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm" ]; then php vendor/bin/coveralls -v; fi;'