diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index f20c13a29e3..c0a865b5f34 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -63,7 +63,6 @@ prefs:"layout.flex.enabled" == flex_row_direction.html flex_row_direction_ref.ht
== floated_list_item_a.html floated_list_item_ref.html
== floated_negative_margins_a.html floated_negative_margins_ref.html
== floated_table_with_margin_a.html floated_table_with_margin_ref.html
-== focus_selector.html focus_selector_ref.html
== font_color_attribute_a.html font_color_attribute_ref.html
== font_face_attribute.html font_face_attribute_ref.html
== font_size.html font_size_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index e3c7464016e..7850b4e979f 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -803,6 +803,18 @@
"url": "/_mozilla/css/flex_nochild.html"
}
],
+ "css/focus_selector.html": [
+ {
+ "path": "css/focus_selector.html",
+ "references": [
+ [
+ "/_mozilla/css/focus_selector_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/focus_selector.html"
+ }
+ ],
"css/font_advance.html": [
{
"path": "css/font_advance.html",
@@ -4800,6 +4812,18 @@
"url": "/_mozilla/css/flex_nochild.html"
}
],
+ "css/focus_selector.html": [
+ {
+ "path": "css/focus_selector.html",
+ "references": [
+ [
+ "/_mozilla/css/focus_selector_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/focus_selector.html"
+ }
+ ],
"css/font_advance.html": [
{
"path": "css/font_advance.html",
diff --git a/tests/ref/focus_selector.html b/tests/wpt/mozilla/tests/css/focus_selector.html
similarity index 84%
rename from tests/ref/focus_selector.html
rename to tests/wpt/mozilla/tests/css/focus_selector.html
index 807480637f2..1a6ca184d5f 100644
--- a/tests/ref/focus_selector.html
+++ b/tests/wpt/mozilla/tests/css/focus_selector.html
@@ -1,6 +1,7 @@
+