The test is not detecting the `h1` tags, but is detecting all the other tags

Tell us what’s happening:
The test is not detecting the h1 tags, but is detecting all the other tags.

Your code so far
https://codesandbox.io/s/young-shadow-lknt7

Your browser information:
Chromium

Challenge: Build a Markdown Previewer

Link to the challenge:

Hello there,

You have not actually written any markdown…all you have is plain HTML.

An h1 markdown equivalent would be # Heading H1 Level
An h2 markdown equivalent would be ## Heading H2 Level

And so on.

I hope this helps