add closeWS function

tests/ws/ws_close.ts

@@ -1,4 +1,5 @@
 import { delay } from "../../src/util/utils.ts";
+import { closeWS } from "../../src/ws/close_ws.ts";
 import { ws } from "../../src/ws/ws.ts";
 import { defaultTestOptions } from "./start_bot.ts";
 
@@ -8,7 +9,7 @@ Deno.test({
   async fn() {
     ws.shards.forEach((shard) => {
       clearInterval(shard.heartbeat.intervalId);
-      shard.ws.close(3064, "Discordeno Testing Finished! Do Not RESUME!");
+      closeWS(shard.ws, 3061, "Discordeno Testing Finished! Do Not RESUME!");
     });
 
     await delay(3000);