How does submission with github work?

Tell us what’s happening:
I used github instead of codepen to submit, but the tests came back all failed. Currently my code does what it asks and am unsure if I should just switch back to using codepen.

Any advice on what might be the issue?

Here is my github:

Your code so far

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36.

Challenge: undefined

Link to the challenge:

You must submit a working app, so it can be tested. Most users use Glitch for the backend challenges. You can host your project on a domain of your choosing if you want. Heroku is another on which site users hosted projects.

I tried with the link from Glitch for the code, and it still doesn’t work.

This is for Advanced Node and Express - Set up a Template Engine section.