diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 5065a5599fa..c14f5891b2c 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -11,7 +11,6 @@ fragment=top != ../html/acid2.html acid2_ref.html
== acid2_noscroll.html acid2_ref_broken.html
flaky_cpu == append_style_a.html append_style_b.html
-== box_shadow_inset_parsing_a.html box_shadow_inset_parsing_ref.html
== box_shadow_spread_a.html box_shadow_spread_ref.html
== canvas_radial_gradient_a.html canvas_radial_gradient_ref.html
== fixed_width_overrides_child_intrinsic_width_a.html fixed_width_overrides_child_intrinsic_width_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 07a3b084f3a..1af529d7476 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -923,6 +923,18 @@
"url": "/_mozilla/css/box_shadow_inset_bg.html"
}
],
+ "css/box_shadow_inset_parsing_a.html": [
+ {
+ "path": "css/box_shadow_inset_parsing_a.html",
+ "references": [
+ [
+ "/_mozilla/css/box_shadow_inset_parsing_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/box_shadow_inset_parsing_a.html"
+ }
+ ],
"css/box_shadow_paint_order_a.html": [
{
"path": "css/box_shadow_paint_order_a.html",
@@ -5670,6 +5682,18 @@
"url": "/_mozilla/css/box_shadow_inset_bg.html"
}
],
+ "css/box_shadow_inset_parsing_a.html": [
+ {
+ "path": "css/box_shadow_inset_parsing_a.html",
+ "references": [
+ [
+ "/_mozilla/css/box_shadow_inset_parsing_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/box_shadow_inset_parsing_a.html"
+ }
+ ],
"css/box_shadow_paint_order_a.html": [
{
"path": "css/box_shadow_paint_order_a.html",
diff --git a/tests/ref/box_shadow_inset_parsing_a.html b/tests/wpt/mozilla/tests/css/box_shadow_inset_parsing_a.html
similarity index 85%
rename from tests/ref/box_shadow_inset_parsing_a.html
rename to tests/wpt/mozilla/tests/css/box_shadow_inset_parsing_a.html
index eb21c825107..741f697f1c8 100644
--- a/tests/ref/box_shadow_inset_parsing_a.html
+++ b/tests/wpt/mozilla/tests/css/box_shadow_inset_parsing_a.html
@@ -1,6 +1,7 @@
+