Hello World lesson problem

**Tell us what’s happening: On this first lesson, I’m doing exactly what it want me to do, but when I I click run test, nothing happens.

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/18.17763.

Link to the challenge:

There is nothing wrong in code. Maybe, some connectivity issue.

The challenge tests do not work well on Safari, Edge, or Internet Explorer. The curriculum works best when using Chrome.

Let us know if you are still having trouble when using Chrome.

its working just change your internet explorer I suggest you use Chrome