test(routes/login): add initial test via supertest for failed login

src/routes/login.spec.ts

@@ -0,0 +1,36 @@
+import { beforeAll, describe, it } from "vitest";
+import supertest from "supertest";
+import { initializeTranslations } from "../services/i18n.js";
+import type { Application, Request, Response, NextFunction } from "express";
+
+let app: Application;
+
+describe("Login Route test", () => {
+
+    beforeAll(async () => {
+        initializeTranslations();
+        app = (await import("../app.js")).default;
+    });
+
+    it("return a 401 status, when login fails with wrong password", async () => {
+
+        await supertest(app)
+            .post("/login")
+            .send({ password: "fakePassword" })
+            .expect(401)
+
+    });
+
+    // TriliumNextTODO: how to handle different configs here? e.g. TOTP, or different cookieMaxAge from config.ini
+
+    /*
+
+    it("sets correct Expires, when 'Remember Me' is ticked", async () => {
+        await supertest(app)
+            .post("/login")
+            .expect(302)
+            .expect("Set-Cookie", "trilium.sid=trilium.sid; Path=/; Expires=TODO");
+    });
+
+    */
+});