upgrade to php-mock-integration-0.4

Author: malkusch

composer.json

@@ -19,7 +19,7 @@
     "require": {
         "php": ">=5.5",
         "mockery/mockery": "^0.8",
-        "php-mock/php-mock-integration": "^0.3"
+        "php-mock/php-mock-integration": "^0.4"
     },
     "require-dev": {
         "phpunit/phpunit": "^4"