1. authorization helper

2. change unit test to run on memory

src/Common/Infrastructure/helpers.php

@@ -0,0 +1,16 @@
+<?php
+
+/**  */
+
+use Src\Common\Domain\Exceptions\UnauthorizedUserException;
+
+if (! function_exists('authorize')) {
+    /* @throws UnauthorizedUserException */
+    function authorize($ability, $policy, $arguments = []): bool
+    {
+        if ($policy->{$ability}(...$arguments)) {
+            return true;
+        }
+        throw new UnauthorizedUserException();
+    }
+}