Add async exec doc test

src/Appwrite/Event/Func.php

@@ -8,6 +8,8 @@ use Utopia\Queue\Connection;
 
 class Func extends Event
 {
+    public const TYPE_ASYNC_WRITE = 'async_write';
+
     protected string $jwt = '';
     protected string $type = '';
     protected string $body = '';

src/Appwrite/Platform/Workers/Functions.php

@@ -74,7 +74,7 @@ class Functions extends Action
         $type = $payload['type'] ?? '';
 
         // Short-term solution to offhand write operation from API contianer
-        if ($type === 'delayed_execution_write') {
+        if ($type === Func::TYPE_ASYNC_WRITE) {
             $execution = new Document($payload['execution'] ?? []);
             $execution = $dbForProject->createDocument('executions', $execution);
             return;