Stuck on Quality Assurance and Testing with Chai - Run Functional Tests using a Headless Browser

Tell us what’s happening:
here is the link / links to my code

not sure what I am doing wrong?,for both challenges headless browser & headless browser II

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/81.0.4044.129 Safari/537.36.

Challenge: undefined

Link to the challenge:

You can use:

<script src=""></script>

and it should point u where the mistakes are