diff --git a/src/test/ref/basic.list b/src/test/ref/basic.list
index 13835bf64ee..9884fe140b4 100644
--- a/src/test/ref/basic.list
+++ b/src/test/ref/basic.list
@@ -86,6 +86,7 @@ flaky_cpu == linebreak_simple_a.html linebreak_simple_b.html
== position_fixed_overflow_a.html position_fixed_overflow_b.html
== noscript.html noscript_ref.html
== pseudo_inherit.html pseudo_inherit_ref.html
+experimental == vertical-lr-blocks.html vertical-lr-blocks_ref.html
== float_intrinsic_height.html float_intrinsic_height_ref.html
== table_auto_width.html table_auto_width_ref.html
== inline_whitespace_b.html inline_whitespace_ref.html
diff --git a/src/test/ref/vertical-lr-blocks.html b/src/test/ref/vertical-lr-blocks.html
new file mode 100644
index 00000000000..c68fee90788
--- /dev/null
+++ b/src/test/ref/vertical-lr-blocks.html
@@ -0,0 +1,18 @@
+
+
+
+
+
+
+
+
+
diff --git a/src/test/ref/vertical-lr-blocks_ref.html b/src/test/ref/vertical-lr-blocks_ref.html
new file mode 100644
index 00000000000..8581695c49f
--- /dev/null
+++ b/src/test/ref/vertical-lr-blocks_ref.html
@@ -0,0 +1,18 @@
+
+
+
+
+
+
+
+
+