Upgrade to php-mock-2

See also: #8

Author: malkusch

composer.json

@@ -19,7 +19,7 @@
     "require": {
         "php": ">=5.6",
         "mockery/mockery": "^1",
-        "php-mock/php-mock-integration": "^1"
+        "php-mock/php-mock-integration": "^2"
     },
     "require-dev": {
         "phpunit/phpunit": "^4|^5"