Code review comment for lp:~mzanetti/unity8/virtual-touchpad-visual-updates

> Ah, right, what we have in a few places is something like
> expectFail()
> tryCompareFunction(function( { return content.rotation != oldRotation; },
> true, SomeTimeout);
>
> it's a bit more reliable than "hoping" wait(0) will always update the bindings
> in the future, what do you think?

done. thanks