The following tests in fast/css/style-scoped fail:
fast/css/style-scoped/style-scoped-attach.html
fast/css/style-scoped/style-scoped-basic.html
fast/css/style-scoped/style-scoped-detach.html
fast/css/style-scoped/style-scoped-remove-scoped.html
fast/css/style-scoped/style-scoped-set-scoped.html
fast/css/style-scoped/style-scoped-attach.html
fast/css/style-scoped/style-scoped-basic.html
fast/css/style-scoped/style-scoped-detach.html
fast/css/style-scoped/style-scoped-remove-scoped.html
fast/css/style-scoped/style-scoped-set-scoped.html