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diff --git a/dom/vr/test/mochitest/test_vrController_displayId.html b/dom/vr/test/mochitest/test_vrController_displayId.html
new file mode 100644
index 0000000000..e69e3920d2
--- /dev/null
+++ b/dom/vr/test/mochitest/test_vrController_displayId.html
@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>VRController DisplayId</title>
+    <meta name="timeout" content="long"/>
+    <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="VRSimulationDriver.js"></script>
+    <script src="runVRTest.js"></script>
+  </head>
+  <body>
+    <script>
+      "use strict";
+      var vrDisplay;
+      var controllerCount = 0;
+
+      function addController() {
+        promise_test((test) => {
+          return VRSimulationDriver.AttachVRController().then((controller) => {
+            controller.newButtonEvent(0, true);
+          });
+        }, "Finish to add VRController.");
+      }
+
+      function listenControllerEvents() {
+        async_test(function(t) {
+          window.addEventListener("gamepadbuttondown", function(e) {
+              assert_equals(e.gamepad.displayId, vrDisplay.displayId, "gamepad.displayId should be equal to vrDisplay.");
+              assert_equals(e.gamepad.id, "Puppet Gamepad", "gamepad.id must be equal to 'Puppet Gamepad'.");
+              ++controllerCount;
+              if (controllerCount == 2) {
+                t.done();
+              }
+          });
+        }, "Finish to verify VRController.displayId.");
+      }
+
+      function startTest() {
+        promise_test((test) => {
+          listenControllerEvents();
+          return VRSimulationDriver.AttachWebVRDisplay().then(() => {
+            return navigator.getVRDisplays().then((displays) => {
+              vrDisplay = displays[0];
+              assert_equals(displays.length, 1, "displays.length must be one after attach.");
+              assert_equals(vrDisplay.displayName, "Puppet HMD", "display.displayName must be equal to 'Puppet HMD'.");
+              addController();
+              addController();
+            });
+          });
+        }, "Finish to add VRDisplay.");
+      }
+
+      runVRTest(startTest);
+    </script>
+  </body>
+</html>