diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 2d1f09c47b4..815474bb022 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -48,9 +48,6 @@ resolution=300x300,device-pixel-ratio=2 != pixel_snapping_position_a.html pixel_
 # == position_fixed_a.html position_fixed_b.html
 # == position_fixed_simple_a.html position_fixed_simple_b.html
 # == position_fixed_static_y_a.html position_fixed_static_y_b.html
-== position_fixed_tile_edge.html position_fixed_tile_edge_ref.html
-== position_fixed_tile_edge_2.html position_fixed_tile_edge_ref.html
-== position_fixed_tile_edge_3.html position_fixed_tile_edge_ref.html
 == root_display_inline_a.html root_display_ref.html
 == root_display_without_style_a.html root_display_ref.html
 # text_decoration_propagation_a.html text_decoration_propagation_b.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index b865a87d4ca..e629c9dba3f 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -3295,6 +3295,42 @@
             "url": "/_mozilla/css/position_fixed_overflow_a.html"
           }
         ],
+        "css/position_fixed_tile_edge.html": [
+          {
+            "path": "css/position_fixed_tile_edge.html",
+            "references": [
+              [
+                "/_mozilla/css/position_fixed_tile_edge_ref.html",
+                "=="
+              ]
+            ],
+            "url": "/_mozilla/css/position_fixed_tile_edge.html"
+          }
+        ],
+        "css/position_fixed_tile_edge_2.html": [
+          {
+            "path": "css/position_fixed_tile_edge_2.html",
+            "references": [
+              [
+                "/_mozilla/css/position_fixed_tile_edge_ref.html",
+                "=="
+              ]
+            ],
+            "url": "/_mozilla/css/position_fixed_tile_edge_2.html"
+          }
+        ],
+        "css/position_fixed_tile_edge_3.html": [
+          {
+            "path": "css/position_fixed_tile_edge_3.html",
+            "references": [
+              [
+                "/_mozilla/css/position_fixed_tile_edge_ref.html",
+                "=="
+              ]
+            ],
+            "url": "/_mozilla/css/position_fixed_tile_edge_3.html"
+          }
+        ],
         "css/position_relative_a.html": [
           {
             "path": "css/position_relative_a.html",
@@ -8628,6 +8664,42 @@
           "url": "/_mozilla/css/position_fixed_overflow_a.html"
         }
       ],
+      "css/position_fixed_tile_edge.html": [
+        {
+          "path": "css/position_fixed_tile_edge.html",
+          "references": [
+            [
+              "/_mozilla/css/position_fixed_tile_edge_ref.html",
+              "=="
+            ]
+          ],
+          "url": "/_mozilla/css/position_fixed_tile_edge.html"
+        }
+      ],
+      "css/position_fixed_tile_edge_2.html": [
+        {
+          "path": "css/position_fixed_tile_edge_2.html",
+          "references": [
+            [
+              "/_mozilla/css/position_fixed_tile_edge_ref.html",
+              "=="
+            ]
+          ],
+          "url": "/_mozilla/css/position_fixed_tile_edge_2.html"
+        }
+      ],
+      "css/position_fixed_tile_edge_3.html": [
+        {
+          "path": "css/position_fixed_tile_edge_3.html",
+          "references": [
+            [
+              "/_mozilla/css/position_fixed_tile_edge_ref.html",
+              "=="
+            ]
+          ],
+          "url": "/_mozilla/css/position_fixed_tile_edge_3.html"
+        }
+      ],
       "css/position_relative_a.html": [
         {
           "path": "css/position_relative_a.html",
diff --git a/tests/ref/position_fixed_tile_edge.html b/tests/wpt/mozilla/tests/css/position_fixed_tile_edge.html
similarity index 71%
rename from tests/ref/position_fixed_tile_edge.html
rename to tests/wpt/mozilla/tests/css/position_fixed_tile_edge.html
index 4a0fd898ea0..c9a06afa374 100644
--- a/tests/ref/position_fixed_tile_edge.html
+++ b/tests/wpt/mozilla/tests/css/position_fixed_tile_edge.html
@@ -1,4 +1,5 @@
 <html>
+  <link rel=match href=position_fixed_tile_edge_ref.html>
   <body>
     <div style="background: green; position: fixed; top: 0px; left: 512px; width: 20px; height: 20px;"></div>
   </body>
diff --git a/tests/ref/position_fixed_tile_edge_2.html b/tests/wpt/mozilla/tests/css/position_fixed_tile_edge_2.html
similarity index 85%
rename from tests/ref/position_fixed_tile_edge_2.html
rename to tests/wpt/mozilla/tests/css/position_fixed_tile_edge_2.html
index dde70ad965d..7e72bf09265 100644
--- a/tests/ref/position_fixed_tile_edge_2.html
+++ b/tests/wpt/mozilla/tests/css/position_fixed_tile_edge_2.html
@@ -1,4 +1,5 @@
 <html>
+  <link rel=match href=position_fixed_tile_edge_ref.html>
   <body>
     <div style="position: absolute; top: 0px; left: 512px;">
         <div style="position: absolute; background: green; width: 20px; height: 20px;"></div>
diff --git a/tests/ref/position_fixed_tile_edge_3.html b/tests/wpt/mozilla/tests/css/position_fixed_tile_edge_3.html
similarity index 86%
rename from tests/ref/position_fixed_tile_edge_3.html
rename to tests/wpt/mozilla/tests/css/position_fixed_tile_edge_3.html
index 60e20fb22b0..11d2001a8e9 100644
--- a/tests/ref/position_fixed_tile_edge_3.html
+++ b/tests/wpt/mozilla/tests/css/position_fixed_tile_edge_3.html
@@ -1,4 +1,5 @@
 <html>
+  <link rel=match href=position_fixed_tile_edge_ref.html>
   <body>
     <div style="position: absolute; top: 0px; left: 0px;">
         <div style="position: absolute; background: green; top: 0; margin-left: 512px; width: 20px; height: 20px;"></div>
diff --git a/tests/ref/position_fixed_tile_edge_ref.html b/tests/wpt/mozilla/tests/css/position_fixed_tile_edge_ref.html
similarity index 100%
rename from tests/ref/position_fixed_tile_edge_ref.html
rename to tests/wpt/mozilla/tests/css/position_fixed_tile_edge_ref.html