diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 4285757014f..b57efe99a79 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -1212,6 +1212,18 @@
             "url": "/_mozilla/css/canvas_radial_gradient_a.html"
           }
         ],
+        "css/canvas_without_context_a.html": [
+          {
+            "path": "css/canvas_without_context_a.html",
+            "references": [
+              [
+                "/_mozilla/css/canvas_without_context_ref.html",
+                "=="
+              ]
+            ],
+            "url": "/_mozilla/css/canvas_without_context_a.html"
+          }
+        ],
         "css/case-insensitive-font-family.html": [
           {
             "path": "css/case-insensitive-font-family.html",
@@ -7940,6 +7952,18 @@
           "url": "/_mozilla/css/canvas_radial_gradient_a.html"
         }
       ],
+      "css/canvas_without_context_a.html": [
+        {
+          "path": "css/canvas_without_context_a.html",
+          "references": [
+            [
+              "/_mozilla/css/canvas_without_context_ref.html",
+              "=="
+            ]
+          ],
+          "url": "/_mozilla/css/canvas_without_context_a.html"
+        }
+      ],
       "css/case-insensitive-font-family.html": [
         {
           "path": "css/case-insensitive-font-family.html",
diff --git a/tests/wpt/mozilla/tests/css/canvas_without_context_a.html b/tests/wpt/mozilla/tests/css/canvas_without_context_a.html
new file mode 100644
index 00000000000..b7398f8d59c
--- /dev/null
+++ b/tests/wpt/mozilla/tests/css/canvas_without_context_a.html
@@ -0,0 +1,15 @@
+<!doctype html>
+<meta charset="utf-8">
+<link rel="match" href="canvas_without_context_ref.html">
+<style>
+  div {
+    background-color: green;
+    width: 20px;
+    height: 20px;
+  }
+</style>
+</head>
+<body>
+<div><canvas width="20" height="20"></canvas></div>
+</body>
+</html>
diff --git a/tests/wpt/mozilla/tests/css/canvas_without_context_ref.html b/tests/wpt/mozilla/tests/css/canvas_without_context_ref.html
new file mode 100644
index 00000000000..ae0c9c8c8e0
--- /dev/null
+++ b/tests/wpt/mozilla/tests/css/canvas_without_context_ref.html
@@ -0,0 +1,14 @@
+<html>
+<head>
+<style>
+  div {
+    background-color: green;
+    width: 20px;
+    height: 20px;
+  }
+</style>
+</head>
+<body>
+<div></div>
+</body>
+</html>
