l to renderTime to the precision of 1 millisecond.');
        assert_equals(entry.duration, 0);
        // Some lower bound: height of at least 12 px.
        // Width of at least 100 px.
        assert_greater_than(entry.size, 1200);
        assert_equals(entry.loadTime, 0);
        assert_equals(entry.url, '');
        assert_equals(entry.id, 'my_text');
        assert_equals(entry.element, document.getElementById("my_text"));
      })
    );
    observer.observe({type: 'largest-contentful-paint', buffere