travis-ci tests

Author: vearutop

composer.json

@@ -8,7 +8,6 @@
   "require-dev": {
     "phpunit/phpunit": "4.8.23",
     "phpunit/php-code-coverage": "2.2.4",
-    "ext-xdebug": ">=2.2.1",
     "codeclimate/php-test-reporter": "0.1.2"
   },
   "license": "MIT",