Invoking Test Suite App

How do I invoke the Test Suite app again in my editor? Once I forked the code it went away?

Challenge: Build a Product Landing Page

Redacting…

refer to the following post

it seems to be still in the HTML: https://codepen.io/freeCodeCamp/pen/MJjpwO

the pen to fork is this one:

make sure you do not delete the test script already present when you write your code