diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 1021f941e3b..5fa5fc2fd85 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -317,7 +317,6 @@ resolution=300x300,device-pixel-ratio=2 != pixel_snapping_position_a.html pixel_
== table_margin_auto_a.html table_margin_auto_ref.html
== table_padding_a.html table_padding_ref.html
== table_percentage_capping_a.html table_percentage_capping_ref.html
-== table_percentage_width_a.html table_percentage_width_ref.html
# text_decoration_propagation_a.html text_decoration_propagation_b.html
!= text_decoration_smoke_a.html text_decoration_smoke_ref.html
!= text_decoration_underline_subpx_a.html text_decoration_underline_subpx_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 77605c7f2b5..e62665dfe08 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -615,6 +615,18 @@
"url": "/_mozilla/css/table_expansion_to_fit_a.html"
}
],
+ "css/table_percentage_width_a.html": [
+ {
+ "path": "css/table_percentage_width_a.html",
+ "references": [
+ [
+ "/_mozilla/css/table_percentage_width_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/table_percentage_width_a.html"
+ }
+ ],
"css/table_preferred_width_a.html": [
{
"path": "css/table_preferred_width_a.html",
@@ -2432,6 +2444,18 @@
"url": "/_mozilla/css/table_expansion_to_fit_a.html"
}
],
+ "css/table_percentage_width_a.html": [
+ {
+ "path": "css/table_percentage_width_a.html",
+ "references": [
+ [
+ "/_mozilla/css/table_percentage_width_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/table_percentage_width_a.html"
+ }
+ ],
"css/table_preferred_width_a.html": [
{
"path": "css/table_preferred_width_a.html",
diff --git a/tests/ref/table_percentage_width_a.html b/tests/wpt/mozilla/tests/css/table_percentage_width_a.html
similarity index 84%
rename from tests/ref/table_percentage_width_a.html
rename to tests/wpt/mozilla/tests/css/table_percentage_width_a.html
index bea62a825f8..c5ed8f64199 100644
--- a/tests/ref/table_percentage_width_a.html
+++ b/tests/wpt/mozilla/tests/css/table_percentage_width_a.html
@@ -1,6 +1,7 @@
+