update travis configuration

arkadiusjonczek · arkadiusjonczek · commit c05c3bac48c7 · 2020-01-22T18:12:24.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -28,7 +28,9 @@ cache:
 before_script:
   - phpenv config-rm xdebug.ini
   - composer validate
-  - composer install
+
+install:
+  - composer install --prefer-dist
 
 script:
   - vendor/bin/phpcs src tests
