diff -r 000000000000 -r 6474c204b198 layout/reftests/css-optional/reftest.list
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/reftests/css-optional/reftest.list	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+# Checking if these elements support :optional.
+== css-optional-textarea.html css-optional-textarea-ref.html
+== css-optional-input.html css-optional-input-ref.html
+== css-optional-select.html css-optional-select-ref.html
+== css-optional-button.html about:blank
+
+# Checking dynamic behavior.
+== css-optional-dyn-1.html css-optional-input-ref.html
+== css-optional-dyn-2.html about:blank
+