Can get Cloudfare Speed test to work

Totally new to Cloudflare so please bare with me. I have just signed up and plan says, Great news! Cloudflare is now protecting your site. However, when I run a speed test, I get a Failed with:

It might have failed because your test URL

domain.com.au

was redirected to a different domain.

Try testing

chrome-error://chromewebdata/

I have no idea what this means? Can anyone help translate and what I need to do to troubleshoot? thanks.

Same problem so glad that someone was able to help. Unbelieveable.