diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index f0132dad5d7..4dc54c357a4 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -367,7 +367,6 @@ resolution=800x600 == viewport_percentage_vmin_vmax.html viewport_percentage_vmi
resolution=800x600 == viewport_percentage_vw_vh.html viewport_percentage_vw_vh_a.html
# resolution=600x800 == viewport_percentage_vw_vh.html viewport_percentage_vw_vh_b.html
prefs:"layout.viewport.enabled" == viewport_rule.html viewport_rule_ref.html
-== visibility_hidden.html visibility_hidden_ref.html
# https://github.com/servo/servo/issues/7931
# == webgl-context/clearcolor.html webgl-context/clearcolor_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 9c8c8ab72f1..8e10334b21e 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -615,6 +615,18 @@
"url": "/_mozilla/css/vertical_align_top_span_a.html"
}
],
+ "css/visibility_hidden.html": [
+ {
+ "path": "css/visibility_hidden.html",
+ "references": [
+ [
+ "/_mozilla/css/visibility_hidden_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/visibility_hidden.html"
+ }
+ ],
"css/word-spacing.html": [
{
"path": "css/word-spacing.html",
@@ -1964,6 +1976,18 @@
"url": "/_mozilla/css/vertical_align_top_span_a.html"
}
],
+ "css/visibility_hidden.html": [
+ {
+ "path": "css/visibility_hidden.html",
+ "references": [
+ [
+ "/_mozilla/css/visibility_hidden_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/visibility_hidden.html"
+ }
+ ],
"css/word-spacing.html": [
{
"path": "css/word-spacing.html",
diff --git a/tests/ref/visibility_hidden.html b/tests/wpt/mozilla/tests/css/visibility_hidden.html
similarity index 88%
rename from tests/ref/visibility_hidden.html
rename to tests/wpt/mozilla/tests/css/visibility_hidden.html
index 2b8e468a8a3..95dbf18a0ea 100644
--- a/tests/ref/visibility_hidden.html
+++ b/tests/wpt/mozilla/tests/css/visibility_hidden.html
@@ -1,6 +1,7 @@
+
'visibility: hidden' test