Bug Report 🐛

The firefox extension for testing playground appears to be gone: https://addons.mozilla.org/en-US/firefox/addon/testing-playground/

This is the link that the "Firefox Extension" button in the testing-playground.com menu links to.

To Reproduce ✔️

Click the following link: https://addons.mozilla.org/en-US/firefox/addon/testing-playground/

Expected behavior 🤔

You should navigate to the extension page page and be able to install the extension.

Suggested solution 🔦

Don't know 🤷

Your Environment 💻

• browser: Firefox
• os: Mac