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Test Info: Warnings

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script>
targetOrigin: originSameOrigin,
funcBeforeBackNavigation: () => {
window.did_navigate = false;
navigation.onnavigate = () => window.did_navigate = true;
async funcAfterAssertion(pageA, pageB) {
// When `funcAfterAssertion` is called, we've already navigated to pageB,
// then gone back to pageA with bfcache. Now go forward to pageB so we can
// observe whether the navigate event fired.
await pageA.execute_script(() => history.forward());
await pageB.execute_script(waitForPageShow);
assert_true(await pageB.execute_script(() => window.did_navigate));
}, "navigate event should fire when traversing to a bfcache hit");