refactor: base complete for unit tests

tests/ws/ws_close.ts

@@ -0,0 +1,16 @@
+import { ws, delay } from "../../mod.ts";
+import { defaultTestOptions } from "./start_bot.ts";
+
+// Exit the Deno process once all tests are done.
+Deno.test({
+  name: "[ws] Close all shards manually.",
+  async fn() {
+    ws.shards.forEach((shard) => {
+      clearInterval(shard.heartbeat.intervalId);
+      shard.ws.close(3064, "Discordeno Testing Finished! Do Not RESUME!");
+    });
+
+    await delay(3000);
+  },
+  ...defaultTestOptions,
+});