diff --git a/payment-handler/can-make-payment-event-constructor.https.worker.js b/payment-handler/can-make-payment-event-constructor.https.worker.js
index d88bddceafa974..445995c1b8d83d 100644
--- a/payment-handler/can-make-payment-event-constructor.https.worker.js
+++ b/payment-handler/can-make-payment-event-constructor.https.worker.js
@@ -4,4 +4,24 @@ test(() => {
   assert_false('CanMakePaymentEvent' in self);
 }, 'CanMakePaymentEvent constructor must not be exposed in worker');
 
+test(() => {
+  const ev = new CanMakePaymentEvent('test', {
+    topOrigin: 'https://foo.com',
+    paymentRequestOrigin: 'https://bar.com',
+    methodData: [],
+    modifiers: [],
+  });
+  assert_false(ev.isTrusted, 'constructed in script, so not be trusted');
+  assert_equals(ev.topOrigin, 'https://foo.com');
+  assert_equals(ev.paymentRequestOrigin, 'https://bar.com');
+}, 'CanMakePaymentEvent can be constructed with a CanMakePaymentEventInit, even if not trusted');
+
+test(() => {
+  const ev = new CanMakePaymentEvent('test');
+  self.addEventListener('test', evt => {
+    assert_equals(ev, evt);
+  });
+  self.dispatchEvent(ev);
+}, 'CanMakePaymentEvent can be dispatched, even if not trusted');
+
 done();