Qunit upgrade causes tests to fail

[amire80]

npm audit recommends updating qunit. I tried doing it in #249, but it causes tests to fail.

[Rupantar-Borphukan]

Hey Can you assign me this issue so that I can contribute

[srish]

@Rupantar-Borphukan Hi! If you have an idea for a fix, go ahead and submit a PR!

[pg0404-44]

Hi, I would like to work on this issue.

I have recently contributed by fixing issue #309 (PR #311).
I plan to add an example demonstrating how to load multiple JSON files in the demo and improve documentation for better clarity.