Drum Machine doesn't play when I add the FCC test script

Drum Machine doesn't play when I add the FCC test script
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Like the title says my drum machine won’t play if I add the FCC test script but works fine without it.

Here’s the link to the codepen.

Just remove the test script and you’ll find the drum machine works perfectly fine.

Works fine for me… try clearing cache.

The codepen I linked might not have the test script in. Did you try it with or without the test script?

I cleared cache in Chrome and still not working.

Interestingly I opened the codepen in Edge and the drum machine works fine even with the test script added. It’s still failing me on test 5 and 6 but the drum machine does everything it’s supposed to.

This is embarassing. I have a plugin disabling auto play for HTML5 because of Youtube.