diff --git a/phpunit.xml b/phpunit.xml
index 49661e5..370faf0 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -21,7 +21,8 @@
         <env name="APP_ENV" value="testing"/>
         <env name="BCRYPT_ROUNDS" value="4"/>
         <env name="CACHE_DRIVER" value="array"/>
-        <env name="DB_DATABASE" value="testing"/>
+        <env name="DB_CONNECTION" value="sqlite"/>
+        <env name="DB_DATABASE" value=":memory:"/>
         <env name="MAIL_MAILER" value="array"/>
         <env name="QUEUE_CONNECTION" value="sync"/>
         <env name="SESSION_DRIVER" value="array"/>
diff --git a/src/Common/Infrastructure/helpers.php b/src/Common/Infrastructure/helpers.php
new file mode 100644
index 0000000..0c56e92
--- /dev/null
+++ b/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();
+    }
+}