Merge pull request #2480 from greg0ire/fix_broken_build

Avoid phpunit-mock-objects v3.2.4

composer.json

@@ -17,6 +17,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^5.4.6",
+        "phpunit/phpunit-mock-objects": "!=3.2.4",
         "symfony/console": "2.*"
     },
     "suggest": {