diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index b787c1850d4..e281f2f4eb3 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -12,7 +12,6 @@ fragment=top != ../html/acid2.html acid2_ref.html
 == acid1_a.html acid1_b.html
 == acid2_noscroll.html acid2_ref_broken.html
 flaky_cpu == append_style_a.html append_style_b.html
-== border_collapse_simple_a.html border_collapse_simple_ref.html
 == border_radius_asymmetric_sizes_a.html border_radius_asymmetric_sizes_ref.html
 == border_radius_clip_a.html border_radius_clip_ref.html
 != border_radius_dashed_a.html border_radius_dashed_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index d7c45f961fd..2725da5b29f 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -659,6 +659,18 @@
             "url": "/_mozilla/css/border_collapse_missing_cell_a.html"
           }
         ],
+        "css/border_collapse_simple_a.html": [
+          {
+            "path": "css/border_collapse_simple_a.html",
+            "references": [
+              [
+                "/_mozilla/css/border_collapse_simple_ref.html",
+                "=="
+              ]
+            ],
+            "url": "/_mozilla/css/border_collapse_simple_a.html"
+          }
+        ],
         "css/class-namespaces.html": [
           {
             "path": "css/class-namespaces.html",
@@ -4380,6 +4392,18 @@
           "url": "/_mozilla/css/border_collapse_missing_cell_a.html"
         }
       ],
+      "css/border_collapse_simple_a.html": [
+        {
+          "path": "css/border_collapse_simple_a.html",
+          "references": [
+            [
+              "/_mozilla/css/border_collapse_simple_ref.html",
+              "=="
+            ]
+          ],
+          "url": "/_mozilla/css/border_collapse_simple_a.html"
+        }
+      ],
       "css/class-namespaces.html": [
         {
           "path": "css/class-namespaces.html",
diff --git a/tests/ref/border_collapse_simple_a.html b/tests/wpt/mozilla/tests/css/border_collapse_simple_a.html
similarity index 95%
rename from tests/ref/border_collapse_simple_a.html
rename to tests/wpt/mozilla/tests/css/border_collapse_simple_a.html
index 292b9d6435e..afed02bcb60 100644
--- a/tests/ref/border_collapse_simple_a.html
+++ b/tests/wpt/mozilla/tests/css/border_collapse_simple_a.html
@@ -9,6 +9,7 @@
     don't correctly handle collapsed borders when calculating `table_border_padding` in
     `table_wrapper.rs`.
 -->
+<link rel=match href=border_collapse_simple_ref.html>
 <style>
 html, body {
     margin: 0;
diff --git a/tests/ref/border_collapse_simple_ref.html b/tests/wpt/mozilla/tests/css/border_collapse_simple_ref.html
similarity index 100%
rename from tests/ref/border_collapse_simple_ref.html
rename to tests/wpt/mozilla/tests/css/border_collapse_simple_ref.html