xdebug.ini may not exist in all matrix entries

Author: Ocramius

.travis.yml

@@ -74,7 +74,7 @@ notifications:
 
 before_install:
   - travis_retry composer self-update
-  - if [[ $TRAVIS_PHP_VERSION != "hhvm" && $TEST_COVERAGE != 'true' ]]; then phpenv config-rm xdebug.ini ; fi
+  - if [[ $TRAVIS_PHP_VERSION != "hhvm" && $TEST_COVERAGE != 'true' ]]; then phpenv config-rm xdebug.ini || true ; fi
 
 install:
   - if [[ $DEPS == 'latest' ]]; then travis_retry composer update $COMPOSER_ARGS ; fi