Drum Machine not passing Tests

I’ve managed to get my Drum Machine working perfectly but due to the way I have implemented the audio it will not pass the tests.

I’ve opted for the var sound = new Audio(link) way but the tests want me to use an actual

Here is my codepen for you to check out:

https://codepen.io/TheTubbyNinja/pen/LYbNZYe?editors=0010