Removes mockery as a dependancy

Author: AdamHutchison

composer.json

@@ -10,12 +10,12 @@
         }
     ],
     "require": {
-        "mockery/mockery": "^1.3"
     },
     "require-dev": {
         "laravel/framework": "^6.6",
         "phpunit/phpunit": "^8.4",
-        "orchestra/testbench": "^4.4"
+        "orchestra/testbench": "^4.4",
+        "mockery/mockery": "^1.3"
     },
     "extra": {
         "laravel": {