Fixing composer issues

Author: stygiansabyss

composer.json

@@ -16,7 +16,7 @@
   "require-dev": {
     "phpunit/phpunit": "~3.0",
     "mockery/mockery": "0.9.3",
-    "orchestra/testbench": "~2.2"
+    "orchestra/testbench": "~3.0"
   },
   "autoload": {
     "psr-4": {