Cannot pass 2 of the tests in this challenge

Tell us what’s happening:
I am not pasding two of the tests.where did I go wrong in my code?my code link below:
Your project link(s)

solution: https://boilerplate-project-urlshortener-1.meeramenon07.repl.co

Your browser information:

User Agent is: Mozilla/5.0 (Linux; Android 10; SM-A107F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.111 Mobile Safari/537.36.

Challenge: URL Shortener Microservice

Link to the challenge:

The link you provided, does not link to your code.

Use Code fomatting when you post code, here’s how you can do it :

Your repl.it code link is url from address bar when you’re in editor
https://repl.it/@meeramenon07/boilerplate-project-urlshortener-1