As now we can examine the values of counters with counterValueForElementById, this can be a dumpAsText test.
Created attachment 42150 [details]
Comment on attachment 42150 [details]
This patch doesn't include the new expected result.
Created attachment 42151 [details]
Sorry for this silly mistake...
Committed r50304: <http://trac.webkit.org/changeset/50304>