diff --git a/third_party/blink/web_tests/external/wpt/cobalt/h5vcc-system/h5vcc-system.https.sub.html b/third_party/blink/web_tests/external/wpt/cobalt/h5vcc-system/h5vcc-system.https.sub.html
new file mode 100644
index 00000000000..1ff84f72cbd
--- /dev/null
+++ b/third_party/blink/web_tests/external/wpt/cobalt/h5vcc-system/h5vcc-system.https.sub.html
@@ -0,0 +1,15 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test H5vccSystem web API.</title>
+  <script src='/resources/testharness.js'></script>
+  <script src='/resources/testharnessreport.js'></script>
+</head>
+<body>
+  <script>
+    test(() => {
+        assert_equals(window.h5vcc.system.advertisingId, "fake advertisingId");
+    }, "H5vccSystem has the right property value");
+  </script>
+</body>
+</html>
\ No newline at end of file
