diff --git a/backend/src/tests/messageRoute.test.ts b/backend/src/tests/messageRoute.test.ts
index 417ed9d..b994126 100644
--- a/backend/src/tests/messageRoute.test.ts
+++ b/backend/src/tests/messageRoute.test.ts
@@ -1,20 +1,20 @@
-import request from 'supertest';
-import express from 'express';
-import { expect } from 'chai';
-import sinon from 'sinon';
-import { router as messageRoutes } from '../routes/messageRoutes';
-import { Message } from '../models/messages';
+import request from "supertest";
+import express from "express";
+import { expect } from "chai";
+import sinon from "sinon";
+import { router as messageRoutes } from "../routes/messageRoutes.js";
+import { Message } from "../models/messages.js";
 
 const app = express();
 app.use(express.json());
-app.use('/messages', messageRoutes);
+app.use("/messages", messageRoutes);
 
-describe('GET /messages', () => {
-  it('should fetch all messages', async () => {
-    const mockMessages = [{ _id: '1', text: 'Test message', roomId: '1' }];
-    sinon.stub(Message, 'find').resolves(mockMessages);
+describe("GET /messages", () => {
+  it("should fetch all messages", async () => {
+    const mockMessages = [{ _id: "1", text: "Test message", roomId: "1" }];
+    sinon.stub(Message, "find").resolves(mockMessages);
 
-    const res = await request(app).get('/messages');
+    const res = await request(app).get("/messages");
     expect(res.status).to.equal(200);
     expect(res.body).to.deep.equal(mockMessages);
 
@@ -22,15 +22,15 @@ describe('GET /messages', () => {
   });
 });
 
-describe('GET /messages/:roomId', () => {
-  it('should fetch all messages for a specific room', async () => {
-    const mockMessages = [{ _id: '1', text: 'Test message', roomId: '1' }];
-    sinon.stub(Message, 'find').resolves(mockMessages);
+describe("GET /messages/:roomId", () => {
+  it("should fetch all messages for a specific room", async () => {
+    const mockMessages = [{ _id: "1", text: "Test message", roomId: "1" }];
+    sinon.stub(Message, "find").resolves(mockMessages);
 
-    const res = await request(app).get('/messages/1');
+    const res = await request(app).get("/messages/1");
     expect(res.status).to.equal(200);
     expect(res.body).to.deep.equal(mockMessages);
 
     sinon.restore();
   });
-});
\ No newline at end of file
+});
diff --git a/backend/src/tests/roomRoutes.test.ts b/backend/src/tests/roomRoutes.test.ts
index cdb10ca..b9da223 100644
--- a/backend/src/tests/roomRoutes.test.ts
+++ b/backend/src/tests/roomRoutes.test.ts
@@ -1,20 +1,20 @@
-import request from 'supertest';
-import express from 'express';
-import { expect } from 'chai';
-import sinon from 'sinon';
-import { router as roomRoutes } from '../routes/roomRoutes';
-import { Room } from '../models/room';
+import request from "supertest";
+import express from "express";
+import { expect } from "chai";
+import sinon from "sinon";
+import { router as roomRoutes } from "../routes/roomRoutes.js";
+import { Room } from "../models/room.js";
 
 const app = express();
 app.use(express.json());
-app.use('/rooms', roomRoutes);
+app.use("/rooms", roomRoutes);
 
-describe('GET /rooms', () => {
-  it('should fetch all rooms', async () => {
-    const mockRooms = [{ title: 'Global Chatroom', id: '1' }];
-    sinon.stub(Room, 'find').resolves(mockRooms);
+describe("GET /rooms", () => {
+  it("should fetch all rooms", async () => {
+    const mockRooms = [{ title: "Global Chatroom", id: "1" }];
+    sinon.stub(Room, "find").resolves(mockRooms);
 
-    const res = await request(app).get('/rooms');
+    const res = await request(app).get("/rooms");
     expect(res.status).to.equal(200);
     expect(res.body).to.deep.equal(mockRooms);
 
@@ -22,12 +22,12 @@ describe('GET /rooms', () => {
   });
 });
 
-describe('GET /rooms/all', () => {
-  it('should fetch all rooms from the database', async () => {
-    const mockRooms = [{ title: 'Global Chatroom', id: '1' }];
-    sinon.stub(Room, 'find').resolves(mockRooms);
+describe("GET /rooms/all", () => {
+  it("should fetch all rooms from the database", async () => {
+    const mockRooms = [{ title: "Global Chatroom", id: "1" }];
+    sinon.stub(Room, "find").resolves(mockRooms);
 
-    const res = await request(app).get('/rooms/all');
+    const res = await request(app).get("/rooms/all");
     expect(res.status).to.equal(200);
     expect(res.body).to.deep.equal(mockRooms);
 
@@ -35,15 +35,15 @@ describe('GET /rooms/all', () => {
   });
 });
 
-describe('GET /rooms/:roomId', () => {
-  it('should fetch a specific room by id', async () => {
-    const mockRoom = { title: 'Global Chatroom', id: '1' };
-    sinon.stub(Room, 'find').resolves([mockRoom]);
+describe("GET /rooms/:roomId", () => {
+  it("should fetch a specific room by id", async () => {
+    const mockRoom = { title: "Global Chatroom", id: "1" };
+    sinon.stub(Room, "find").resolves([mockRoom]);
 
-    const res = await request(app).get('/rooms/1');
+    const res = await request(app).get("/rooms/1");
     expect(res.status).to.equal(200);
     expect(res.body).to.deep.equal(mockRoom);
 
     sinon.restore();
   });
-});
\ No newline at end of file
+});