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/remove_all_reactions.ts

@@ -14,7 +14,7 @@ async function ifItFailsBlameWolf(type: "getter" | "raw") {
   // Assertions
   assertExists(message);
   // Delay the execution by 5 seconds to allow MESSAGE_CREATE event to be processed
-  delayUntil(10000, () => cache.messages.has(message.id));
+  await delayUntil(10000, () => cache.messages.has(message.id));
   // Make sure the message was created.
   if (!cache.messages.has(message.id)) {
     throw new Error("The message seemed to be sent but it was not cached.");
@@ -23,7 +23,7 @@ async function ifItFailsBlameWolf(type: "getter" | "raw") {
   // Add reactions to the message
   await addReactions(message.channelId, message.id, ["❤", "😃", "🤫"]);
   // Delay the execution by 5 seconds to allow MESSAGE_REACTION_ALL event to be processed
-  delayUntil(
+  await delayUntil(
     10000,
     () => cache.messages.get(message.id)?.reactions?.length === 3,
   );
@@ -38,7 +38,7 @@ async function ifItFailsBlameWolf(type: "getter" | "raw") {
   }
 
   // Delay the execution by 5 seconds to allow MESSAGE_REACTION_REMOVE_ALL event to be processed
-  delayUntil(
+  await delayUntil(
     10000,
     () => cache.messages.get(message.id)?.reactions === undefined,
   );