Say Hello to HTML Elements-Need help

Tell us what’s happening:

every time I press run test in the output box it never changes it just says Running test idk what to do

Your code so far


<h1>"Hello World"</h1>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/17.17134.

Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/basic-html-and-html5/say-hello-to-html-elements