fix: improve unit tests style

tests/emoji/getMultipleEmojis.ts

@@ -0,0 +1,30 @@
+import { assertExists } from "../deps.ts";
+import { bot, guild } from "../mod.ts";
+import { delayUntil } from "../utils.ts";
+
+Deno.test({
+  name: "[emoji] get multiple emojis",
+  fn: async (t) => {
+    const emoji = await bot.helpers.createEmoji(guild.id, {
+      name: "blamewolf",
+      image: "https://cdn.discordapp.com/emojis/814955268123000832.png",
+      roles: [],
+    });
+
+    // Assertions
+    assertExists(emoji);
+
+    // Delay the execution to allow event to be processed
+    await delayUntil(10000, async () => bot.cache.guilds.get(guild.id)?.emojis?.has(emoji.id));
+
+    if (!bot.cache.guilds.get(guild.id)?.emojis?.has(emoji.id)) {
+      throw new Error("The emoji seemed to be created but it was not cached.");
+    }
+
+    const emojis = await bot.helpers.getEmojis(guild.id);
+
+    if (emojis.size === 0) {
+      throw new Error("The getEmojis function returned 0 emojis.");
+    }
+  },
+});