change xdebug.max_nesting_level=600

.travis.yml

@@ -14,6 +14,8 @@ install:
   - travis_retry composer global require "fxp/composer-asset-plugin:~1.0.3"
   - composer install --prefer-source --no-interaction --dev
   - wget http://codeception.com/codecept.phar -O vendor/bin/codecept && chmod +x vendor/bin/codecept
+  - echo 'xdebug.max_nesting_level=600' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
+
 
 before_script:
   - mysql -e 'CREATE DATABASE IF NOT EXISTS walle DEFAULT CHARSET utf8 COLLATE utf8_general_ci;'