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diff --git a/testing/web-platform/tests/html/user-activation/activation-trigger-keyboard-enter.html b/testing/web-platform/tests/html/user-activation/activation-trigger-keyboard-enter.html
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+++ b/testing/web-platform/tests/html/user-activation/activation-trigger-keyboard-enter.html
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+<!DOCTYPE html>
+<html>
+<head>
+  <link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#activation-triggering-input-event">
+  <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 src="resources/utils.js"></script>
+</head>
+<body onload="runTests()">
+  <h1>Test for keyboard activation trigger for ENTER key</h1>
+  <p>Tests user activation from a ENTER keyboard event.</p>
+  <input type="text" autofocus />
+  <ol id="instructions">
+    <li>Press ENTER key.
+  </ol>
+  <script>
+  function runTests() {
+    promise_test(async () => {
+        const ENTER_KEY = '\uE007';
+
+        let keydown_event = getEvent('keydown');
+        let keypress_event = getEvent('keypress');
+        let keyup_event = getEvent('keyup');
+
+        await test_driver.send_keys(document.body, ENTER_KEY);
+
+        await keydown_event;
+        let consumed = await consumeTransientActivation();
+        assert_true(consumed,
+                    "ENTER keydown event should result in activation");
+
+        await keypress_event;
+        consumed = await consumeTransientActivation();
+        assert_false(consumed,
+                     "ENTER keypress should have no activation after keydown consumption");
+
+        await keyup_event;
+        consumed = await consumeTransientActivation();
+        assert_false(consumed,
+                     "ENTER keyup should have no activation after keydown consumption");
+    }, "Activation through ENTER keyboard event");
+  }
+  </script>
+</body>
+</html>