It'll be tricky to test this, but I will try.
Created attachment 97265 [details]
Comment on attachment 97265 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=97265&action=review
> +Tests that watches pane renders errors in red.
Please include a link to the bug.
Closing as invalid, as this bug pertains to the old inspector UI and/or its tests.
Please file a new bug (https://www.webkit.org/new-inspector-bug) if the bug/feature/issue is still relevant to WebKit trunk.