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diff --git a/testing/web-platform/tests/IndexedDB/transaction-abort-request-error.html b/testing/web-platform/tests/IndexedDB/transaction-abort-request-error.html
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+<!doctype html>
+<meta charset=utf-8>
+<title>IndexedDB: Test error events fired at requests from aborted transaction</title>
+<meta name=help href="https://w3c.github.io/IndexedDB/#abort-a-transaction">
+<meta name=help href="https://w3c.github.io/IndexedDB/#request-construct">
+<meta name=help href="https://w3c.github.io/IndexedDB/#transaction-construct">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/support.js"></script>
+<script>
+
+indexeddb_test(
+  (t, db) => {
+    db.createObjectStore('store');
+  },
+  (t, db) => {
+    const tx = db.transaction('store', 'readonly', {durability: 'relaxed'});
+    const request = tx.objectStore('store').get(0);
+    tx.abort();
+    request.onsuccess = t.unreached_func('request should not succeed');
+
+    let connection_saw_error = false;
+    let transaction_saw_error = false;
+
+    request.onerror = t.step_func(e => {
+      assert_equals(request.readyState, 'done',
+                    'Request\'s done flag should be set');
+      assert_equals(request.result, undefined,
+                    'Request\'s result should be undefined');
+      assert_equals(request.error.name, 'AbortError',
+                    'Request\'s error should be AbortError');
+
+      assert_equals(e.target, request, 'event target should be request');
+      assert_equals(e.type, 'error', 'Event type should be error');
+      assert_true(e.bubbles, 'Event should bubble');
+      assert_true(e.cancelable, 'Event should cancelable');
+
+      assert_true(connection_saw_error,
+                  'Event propagated through connection');
+      assert_true(transaction_saw_error,
+                  'Event propagated through transaction');
+      t.done();
+    });
+
+    // Event propagates via "get the parent" on request and transaction.
+
+    db.addEventListener('error', t.step_func(e => {
+      connection_saw_error = true;
+      assert_equals(e.target, request, 'event target should be request');
+      assert_equals(e.type, 'error', 'Event type should be error');
+      assert_true(e.bubbles, 'Event should bubble');
+      assert_true(e.cancelable, 'Event should cancelable');
+    }), true);
+
+    tx.addEventListener('error', t.step_func(e => {
+      transaction_saw_error = true;
+      assert_equals(e.target, request, 'event target should be request');
+      assert_equals(e.type, 'error', 'Event type should be error');
+      assert_true(e.bubbles, 'Event should bubble');
+      assert_true(e.cancelable, 'Event should cancelable');
+
+      assert_true(connection_saw_error,
+                  'Event propagated through connection');
+    }), true);
+  },
+  'Properties of error events fired at requests when aborting a transaction');
+
+</script>