Add "qunitx" to Testing category (#373)

README.md

@@ -188,6 +188,7 @@ This list is a collection of the best Deno modules and resources.
 - [deno-puppeteer](https://github.com/lucacasonato/deno-puppeteer) - A library which provides a high-level API to control Chromium or Chrome over the DevTools Protocol.
 - [expect](https://github.com/allain/expect) - Helpers for writing jest like expect tests in deno.
 - [merlin](https://github.com/crewdevio/merlin) - Testing and Benchmarking framework for deno 🧙‍♂️
+- [qunitx](https://github.com/izelnakri/qunitx) - Zero dependency, fully customizable, mature, universal test API that can run interchangably in node.js, Deno & browser, using default runtime test runners.
 - [pretty_benching](https://github.com/littletof/prettyBenching) - A small library to make your Deno benchmarking progress and results look pretty.
 - [rhum](https://github.com/drashland/rhum) - A lightweight testing framework for Deno.
 - [superdeno](https://github.com/asos-craigmorten/superdeno) - Super-agent driven library for testing Deno HTTP servers.