Fixed API issues and added a test file

modules/tokenManager.js

@@ -1,6 +1,7 @@
 import jwt from 'jsonwebtoken';
 import { Level } from 'level';
 import { pool } from './databaseManager';
+import { error } from '../modules/logManager';
 import { respondWithStatus } from './requestHandler';
 
 const db = new Level('tokens', { valueEncoding: 'json' });
@@ -31,7 +32,8 @@ export async function verifyToken(req, res, next) {
 		}
 		next();
 	}
-	catch (error) {
+	catch (err) {
+		error(err);
 		return await respondWithStatus(res, 401, 'Invalid user');
 	}
 }