test(e2e): simpan suite e2e (15 tes) + dokumentasi TESTING.md

TESTING.md

@@ -0,0 +1,21 @@
+# Pengujian (Testing) — OPEN-ISP
+
+## 1. Uji manual cepat
+
+1. **Landing** `/` — hero, paket, switcher **ID/EN**, link GitHub/Wiki/Lisensi.
+2. **Login admin** `/admin/login` → `admin` / `demo-isp123` → dashboard.
+3. **Pelanggan** `/customer/login` → masukkan nomor HP demo **`081200000001`** (login pelanggan hanya butuh nomor HP) → dashboard & tagihan.
+4. **Health** `/health` · versi `/version.txt`.
+
+## 2. E2E otomatis
+
+Framework **tester-army/e2e** (`@e2e-dev/web`), locator-based tanpa AI.
+Suite + cara jalan: lihat **[`tests/e2e/README.md`](tests/e2e/README.md)**.
+
+```bash
+npm i -D e2e@^0.18 @e2e-dev/web
+cp tests/e2e/e2e.config.example.ts e2e.config.ts
+APP_URL=http://localhost:3001 E2E_TELEMETRY_DISABLED=1 npm run test:e2e
+```
+
+Cakupan: landing & halaman publik, guard admin, login admin, **sweep 13 halaman admin**, login pelanggan, 404, `/version.txt`.