diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index d51d6d306aa..9de918afa80 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -12,7 +12,6 @@ fragment=top != ../html/acid2.html acid2_ref.html
== acid1_a.html acid1_b.html
== acid2_noscroll.html acid2_ref_broken.html
flaky_cpu == append_style_a.html append_style_b.html
-== background_repeat_y_a.html background_repeat_y_b.html
== background_size_a.html background_size_ref.html
== background_size_shorthand_a.html background_size_shorthand_ref.html
== background_size_zero_a.html background_size_zero_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index ea4d9d320bc..3232659a292 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -363,6 +363,18 @@
"url": "/_mozilla/css/background_repeat_x_a.html"
}
],
+ "css/background_repeat_y_a.html": [
+ {
+ "path": "css/background_repeat_y_a.html",
+ "references": [
+ [
+ "/_mozilla/css/background_repeat_y_b.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/background_repeat_y_a.html"
+ }
+ ],
"css/class-namespaces.html": [
{
"path": "css/class-namespaces.html",
@@ -1508,6 +1520,18 @@
"url": "/_mozilla/css/background_repeat_x_a.html"
}
],
+ "css/background_repeat_y_a.html": [
+ {
+ "path": "css/background_repeat_y_a.html",
+ "references": [
+ [
+ "/_mozilla/css/background_repeat_y_b.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/background_repeat_y_a.html"
+ }
+ ],
"css/class-namespaces.html": [
{
"path": "css/class-namespaces.html",
diff --git a/tests/ref/background_repeat_y_a.html b/tests/wpt/mozilla/tests/css/background_repeat_y_a.html
similarity index 85%
rename from tests/ref/background_repeat_y_a.html
rename to tests/wpt/mozilla/tests/css/background_repeat_y_a.html
index 46842c9501c..96efac9a306 100644
--- a/tests/ref/background_repeat_y_a.html
+++ b/tests/wpt/mozilla/tests/css/background_repeat_y_a.html
@@ -2,6 +2,7 @@
You see here a scroll labeled XIXAXA XOXAXA XUXAXA.
+