test: update tests directory

__tests__/animeEpisodes.test.ts

@@ -0,0 +1,13 @@
+import { HiAnime } from "aniwatch";
+import { expect, test } from "vitest";
+
+const animeId = "steinsgate-3";
+
+// npx vitest run animeEpisodes.test.ts
+test(`GET /api/v2/hianime/anime/${animeId}/episodes`, async () => {
+    const hianime = new HiAnime.Scraper();
+    const data = await hianime.getEpisodes(animeId);
+
+    expect(data.totalEpisodes).not.toEqual(0);
+    expect(data.episodes).not.toEqual([]);
+});