fast/inline/nested-text-descendants.html is a ref test introduced in http://trac.webkit.org/changeset/103772 Qt seems to be the only port that doesn't pass it so suggest skipping it for now. I think it's possible to override a ref test with a platform-specific results file. This generates warnings but I think the results file is given preference.
Skipped with http://trac.webkit.org/changeset/103777
Committed r103777: <http://trac.webkit.org/changeset/103777>
Keeping open for better way of fixing results.
unskipped by https://trac.webkit.org/changeset/130752