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chromium/third_party/blink/web_tests/external/wpt/infrastructure/testdriver/actions/pause.html 

<!DOCTYPE html>
<meta charset="utf-8">
<meta name="timeout" content="long">
<title>TestDriver actions: pause</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<script>
promise_test(() => {
  let t0 = performance.now();
  return new test_driver.Actions()
    .addTick(1000)
    .send()
    .then(() => assert_greater_than(performance.now() - t0, 1000));
})
</script>