Minor changes

src/middleware/auth.js

 
         const findUser = await User.findOne({ 'tokens.token': token })
         if(!findUser) {
-            return res.status(404).send('No user has the token provided!')
+            return res.status(401).send('No user has the token provided!')
         }
         if(findUser['role'] === Role.Admin) {
             console.log('User is admin!')