Update to Mockery 1 (#201)

Author: carusogabriel

composer.json

@@ -27,7 +27,7 @@
     "require-dev": {
         "phpunit/phpunit": "^5.7.21",
         "cache/integration-tests": "^0.16",
-        "mockery/mockery": "^0.9",
+        "mockery/mockery": "^1.0",
         "symfony/cache": "^3.2"
     },
     "provide": {