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diff --git a/testing/web-platform/tests/payment-request/payment-request-abort-method.https.html b/testing/web-platform/tests/payment-request/payment-request-abort-method.https.html
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index 0000000000..32b87970b4
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+++ b/testing/web-platform/tests/payment-request/payment-request-abort-method.https.html
@@ -0,0 +1,91 @@
+<!DOCTYPE html>
+<meta charset="utf-8" />
+<title>Test for PaymentRequest.abort() method</title>
+<link rel="help" href="https://w3c.github.io/payment-request/#abort-method" />
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script>
+"use strict";
+setup({
+  // Ignore unhandled rejections resulting from .show()'s acceptPromise
+  // not being explicitly handled.
+  allow_uncaught_exception: true,
+  explicit_timeout: true,
+});
+const basicCard = Object.freeze({ supportedMethods: "basic-card" });
+const applePay = Object.freeze({
+  supportedMethods: "https://apple.com/apple-pay",
+  data: {
+    version: 3,
+    merchantIdentifier: "merchant.com.example",
+    countryCode: "US",
+    merchantCapabilities: ["supports3DS"],
+    supportedNetworks: ["visa"],
+  },
+});
+const defaultMethods = Object.freeze([basicCard, applePay]);
+const defaultDetails = Object.freeze({
+  total: {
+    label: "Total",
+    amount: {
+      currency: "USD",
+      value: "1.00",
+    },
+  },
+});
+
+promise_test(async t => {
+  // request is in "created" state
+  const request = new PaymentRequest(defaultMethods, defaultDetails);
+  await promise_rejects_dom(t, "InvalidStateError", request.abort());
+}, `Throws if the promise [[state]] is not "interactive"`);
+
+promise_test(async t => {
+  const request = new PaymentRequest(defaultMethods, defaultDetails);
+  const promises = new Set([
+    request.abort(),
+    request.abort(),
+    request.abort(),
+  ]);
+  assert_equals(promises.size, 3, "Must have three unique objects");
+}, "Calling abort() multiple times is always a new object.");
+
+promise_test(async t => {
+  const request = new PaymentRequest(defaultMethods, defaultDetails);
+  await test_driver.bless("show payment request");
+  const acceptPromise = request.show();
+  await request.abort();
+  await promise_rejects_dom(t, "AbortError", acceptPromise);
+  // As request is now "closed", trying to show it will fail
+  await test_driver.bless("show payment request");
+  await promise_rejects_dom(t, "InvalidStateError", request.show());
+}, "The same request cannot be shown multiple times.");
+
+promise_test(async t => {
+  // request is in "created" state.
+  const request = new PaymentRequest(defaultMethods, defaultDetails);
+  await promise_rejects_dom(t, "InvalidStateError", request.abort());
+  // Call it again, for good measure.
+  await promise_rejects_dom(t, "InvalidStateError", request.abort());
+  // The request's state is "created", so let's show it
+  // which changes the state to "interactive.".
+  await test_driver.bless("show payment request");
+  const acceptPromise = request.show();
+  // Let's set request the state to "closed" by calling .abort()
+  await request.abort();
+  // The request is now "closed", so...
+  await promise_rejects_dom(t, "InvalidStateError", request.abort());
+  await promise_rejects_dom(t, "AbortError", acceptPromise);
+}, "Aborting a request before it is shown doesn't prevent it from being shown later.");
+</script>
+<small>
+  If you find a buggy test, please
+  <a href="https://github.com/web-platform-tests/wpt/issues">file a bug</a> and
+  tag one of the
+  <a
+    href="https://github.com/web-platform-tests/wpt/blob/master/payment-request/META.yml"
+    >suggested reviewers</a
+  >.
+</small>