diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 01bb9d1af4b..9f3fe280a2e 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -24,7 +24,6 @@ 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
-== case-insensitive-font-family.html case-insensitive-font-family-ref.html
 == fixed_width_overrides_child_intrinsic_width_a.html fixed_width_overrides_child_intrinsic_width_ref.html
 prefs:"layout.flex-direction.enabled,layout.flex.enabled" == flex_column_direction.html flex_column_direction_ref.html
 prefs:"layout.flex.enabled" == flex_row_direction.html flex_row_direction_ref.html
diff --git a/tests/ref/case-insensitive-font-family.html b/tests/ref/case-insensitive-font-family.html
deleted file mode 100644
index 7cdec887b52..00000000000
--- a/tests/ref/case-insensitive-font-family.html
+++ /dev/null
@@ -1 +0,0 @@
-<div style="font-family: arial">Hello, world!</div>
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index d96cc8fbb1d..7a22ac35824 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -887,6 +887,18 @@
             "url": "/_mozilla/css/canvas_linear_gradient_a.html"
           }
         ],
+        "css/case-insensitive-font-family.html": [
+          {
+            "path": "css/case-insensitive-font-family.html",
+            "references": [
+              [
+                "/_mozilla/css/case-insensitive-font-family-ref.html",
+                "=="
+              ]
+            ],
+            "url": "/_mozilla/css/case-insensitive-font-family.html"
+          }
+        ],
         "css/class-namespaces.html": [
           {
             "path": "css/class-namespaces.html",
@@ -5352,6 +5364,18 @@
           "url": "/_mozilla/css/canvas_linear_gradient_a.html"
         }
       ],
+      "css/case-insensitive-font-family.html": [
+        {
+          "path": "css/case-insensitive-font-family.html",
+          "references": [
+            [
+              "/_mozilla/css/case-insensitive-font-family-ref.html",
+              "=="
+            ]
+          ],
+          "url": "/_mozilla/css/case-insensitive-font-family.html"
+        }
+      ],
       "css/class-namespaces.html": [
         {
           "path": "css/class-namespaces.html",
diff --git a/tests/ref/case-insensitive-font-family-ref.html b/tests/wpt/mozilla/tests/css/case-insensitive-font-family-ref.html
similarity index 100%
rename from tests/ref/case-insensitive-font-family-ref.html
rename to tests/wpt/mozilla/tests/css/case-insensitive-font-family-ref.html
diff --git a/tests/wpt/mozilla/tests/css/case-insensitive-font-family.html b/tests/wpt/mozilla/tests/css/case-insensitive-font-family.html
new file mode 100644
index 00000000000..70b3be59507
--- /dev/null
+++ b/tests/wpt/mozilla/tests/css/case-insensitive-font-family.html
@@ -0,0 +1,2 @@
+<link rel='match' href='case-insensitive-font-family-ref.html'>
+<div style="font-family: arial">Hello, world!</div>