diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index c0a865b5f34..bcabf44a5eb 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -60,7 +60,6 @@ prefs:"layout.flex.enabled" == flex_row_direction.html flex_row_direction_ref.ht
== float_table_a.html float_table_ref.html
== float_under_top_margin_a.html float_under_top_margin_ref.html
== floated_generated_content_a.html floated_generated_content_b.html
-== 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
== font_color_attribute_a.html font_color_attribute_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 7850b4e979f..57a07d22d72 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/floated_list_item_a.html": [
+ {
+ "path": "css/floated_list_item_a.html",
+ "references": [
+ [
+ "/_mozilla/css/floated_list_item_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/floated_list_item_a.html"
+ }
+ ],
"css/focus_selector.html": [
{
"path": "css/focus_selector.html",
@@ -4812,6 +4824,18 @@
"url": "/_mozilla/css/flex_nochild.html"
}
],
+ "css/floated_list_item_a.html": [
+ {
+ "path": "css/floated_list_item_a.html",
+ "references": [
+ [
+ "/_mozilla/css/floated_list_item_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/floated_list_item_a.html"
+ }
+ ],
"css/focus_selector.html": [
{
"path": "css/focus_selector.html",
diff --git a/tests/ref/floated_list_item_a.html b/tests/wpt/mozilla/tests/css/floated_list_item_a.html
similarity index 85%
rename from tests/ref/floated_list_item_a.html
rename to tests/wpt/mozilla/tests/css/floated_list_item_a.html
index 77e2697b639..226d39e6d7a 100644
--- a/tests/ref/floated_list_item_a.html
+++ b/tests/wpt/mozilla/tests/css/floated_list_item_a.html
@@ -1,6 +1,7 @@
+