fix(test): delayUntil use setTimeout instead of while loop & addReaction test (#817)

* fix: guild create tests
* fix(test): use setTimeout instead of while loop and fix some tests
* fix(test): fix some test and fix maxMs

Co-authored-by: Skillz4Killz <23035000+Skillz4Killz@users.noreply.github.com>

tests/messages/get_messages.ts

@@ -21,7 +21,7 @@ Deno.test({
     assertExists(secondMessage);
     assertExists(thirdMessage);
     // Delay the execution by 5 seconds to allow MESSAGE_CREATE event to be processed
-    delayUntil(
+    await delayUntil(
       10000,
       () =>
         cache.messages.has(message.id) &&