--- a/layout/reftests/reftest.list
+++ b/layout/reftests/reftest.list
@@ -166,16 +166,19 @@ include text-shadow/reftest.list
include ../../toolkit/themes/pinstripe/reftests/reftest.list
# text-transform/
include text-transform/reftest.list
# -moz-transform/
include transform/reftest.list
+# widget/
+include ../../widget/reftests/reftest.list
+
# xml-stylesheet/
include ../../content/test/reftest/xml-stylesheet/reftest.list
# xul-document-load/
include xul-document-load/reftest.list
# xul grid
include ../xul/base/src/grid/reftests/reftest.list
new file mode 100644
--- /dev/null
+++ b/widget/reftests/507947.html
@@ -0,0 +1,2 @@
+<!DOCTYPE html>
+<div style="height: 100px; -moz-appearance: toolbar;"></div>
new file mode 100644
--- /dev/null
+++ b/widget/reftests/reftest.list
@@ -0,0 +1,1 @@
+skip-if(MOZ_WIDGET_TOOLKIT!="cocoa") != 507947.html about:blank
