Tests aren't running

My code is not running the test. I’ve reloaded the page and reset all the code multiple times with no results.

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:

Try using chrome if you are currently on a different browser.