diff --git a/backend/tests/roles.test.js b/backend/tests/roles.test.js
index 4dd4818..e54ea58 100644
--- a/backend/tests/roles.test.js
+++ b/backend/tests/roles.test.js
@@ -1,5 +1,6 @@
 const request = require('supertest');
 const app = require('../app');
+const { requireRole } = require('../middleware/role.middleware');
 
 describe('Role Middleware', () => {
   // Mock a user with a specific role for testing
@@ -12,71 +13,71 @@ describe('Role Middleware', () => {
 
   // Test that the middleware allows access to users with correct roles
   test('should allow access to users with correct roles', () => {
-    const req = {
+    const mockReq = {
       user: mockUserWithRole('admin')
     };
-    const res = {
+    const mockRes = {
       status: jest.fn().mockReturnThis(),
       json: jest.fn()
     };
-    const next = jest.fn();
+    const mockNext = jest.fn();
 
-    const middleware = require('../middleware/role.middleware');
-    middleware.requireRole(['admin'])(req, res, next);
+    const middleware = requireRole(['admin']);
+    middleware(mockReq, mockRes, mockNext);
 
-    expect(next).toHaveBeenCalled();
+    expect(mockNext).toHaveBeenCalled();
   });
 
   // Test that the middleware denies access to users with incorrect roles
   test('should deny access to users with incorrect roles', () => {
-    const req = {
+    const mockReq = {
       user: mockUserWithRole('user')
     };
-    const res = {
+    const mockRes = {
       status: jest.fn().mockReturnThis(),
       json: jest.fn()
     };
-    const next = jest.fn();
+    const mockNext = jest.fn();
 
-    const middleware = require('../middleware/role.middleware');
-    middleware.requireRole(['admin'])(req, res, next);
+    const middleware = requireRole(['admin']);
+    middleware(mockReq, mockRes, mockNext);
 
-    expect(res.status).toHaveBeenCalledWith(403);
-    expect(res.json).toHaveBeenCalledWith({ error: 'Forbidden' });
+    expect(mockRes.status).toHaveBeenCalledWith(403);
+    expect(mockRes.json).toHaveBeenCalledWith({ error: 'Forbidden' });
   });
 
   // Test that the middleware denies access to users without roles
   test('should deny access to users without roles', () => {
-    const req = {
+    const mockReq = {
       user: null
     };
-    const res = {
+    const mockRes = {
       status: jest.fn().mockReturnThis(),
       json: jest.fn()
     };
-    const next = jest.fn();
+    const mockNext = jest.fn();
 
-    const middleware = require('../middleware/role.middleware');
-    middleware.requireRole(['admin'])(req, res, next);
+    const middleware = requireRole(['admin']);
+    middleware(mockReq, mockRes, mockNext);
 
-    expect(res.status).toHaveBeenCalledWith(401);
-    expect(res.json).toHaveBeenCalledWith({ error: 'Unauthorized' });
+    expect(mockRes.status).toHaveBeenCalledWith(401);
+    expect(mockRes.json).toHaveBeenCalledWith({ error: 'Unauthorized' });
   });
 
   // Test that the middleware allows access to users with one of multiple required roles
   test('should allow access to users with one of multiple required roles', () => {
-    const req = {
+    const mockReq = {
       user: mockUserWithRole('moderator')
     };
-    const res = {
+    const mockRes = {
       status: jest.fn().mockReturnThis(),
       json: jest.fn()
     };
-    const next = jest.fn();
+    const mockNext = jest.fn();
 
-    const middleware = require('../middleware/role.middleware');
-    middleware.requireRole(['admin', 'moderator'])(req, res, next);
+    const middleware = requireRole(['admin', 'moderator']);
+    middleware(mockReq, mockRes, mockNext);
 
-    expect(next).toHaveBeenCalled();
+    expect(mockNext).toHaveBeenCalled();
   });
 });
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